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Strength & Moisture Resistant Envelopes

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  1. BSN65858
  2. Business Source DuPont Tyvek Catalog Envelopes - Document - 9" Width x 12" Length - Peel & Seal - Tyvek - 100 / Box - White
    • Made with DuPont Tyvek so they are strong and moisture-resistant
    • Peel-to-seal closure requires no moisture; release strip makes document easily accessible
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  1. QUAR1460
  2. Quality Park Flap-Stik Open-end Envelopes - Catalog - #10 1/2 - 9" Width x 12" Length - 14 lb - Peel & Seal - Tyvek - 100 / Box - White
    • Patented release strip makes envelopes easy to open
    • White Tyvek envelope with Flap-Stik closure
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  1. QUAR1580
  2. Quality Park Flap-Stik Open-end Envelopes - Catalog - #13 1/2 - 10" Width x 13" Length - 14 lb - Peel & Seal - Tyvek - 100 / Box - White
    • Patented release strip makes envelopes easy to open
    • White Tyvek envelope with Flap-Stik closure
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  1. QUA46393
  2. Quality Park Open-End Poly Expansion Mailers - Expansion - 13" Width x 16" Length - 2" Gusset - Self-sealing - Polyethylene - 100 / Carton - White
    • Open-end design is durable and moisture-resistant
    • Ideal for bulky mailings
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  1. BSN65806
  2. Business Source Tyvek Expansion Envelopes - Expansion - 12" Width x 15 1/2" Length - 4" Gusset - Peel & Seal - Tyvek - 50 / Box - White
    • Super-strong Tyvek is moisture-resistant and tear-resistant
    • Requires no moisture to seal
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  1. QUAR4500
  2. Quality Park Tyvek Plain Expansion Envelopes - Expansion - 10" Width x 13" Length - 1 1/2" Gusset - 14 lb - Self-sealing - Tyvek - 100 / Carton - Whit
    • Ideal replacement for costly box or carton; superior protection for light, bulky items
    • Open-end style with Flap-Stik closure
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  1. QUAR4430
  2. Quality Park Tyvek Heavyweight Expansion Envelopes - Expansion - 10" Width x 13" Length - 2" Gusset - 18 lb - Self-sealing - Tyvek - 100 / Carton - Wh
    • Ideal replacement for costly box or carton
    • Heavyweight White Tyvek with convenient Flap-Stik closure
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  1. QUAR4292
  2. Quality Park Tyvek Plain Expansion Envelopes - Expansion - 12" Width x 16" Length - 2" Gusset - 14 lb - Self-sealing - Tyvek - 25 / Box - White
    • Ideal replacement for costly box or carton; superior protection for light bulky items
    • White open-end, expansion Tyvek envelope with Flap-Stik closure
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  1. BSN65773
  2. Business Source Tyvek Open-end Envelopes - Document - 10" Width x 15" Length - Peel & Seal - Tyvek - 100 / Box - White
    • Super-strong Tyvek is moisture-resistant and tear-resistant
    • Requires no moisture to seal
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  1. QUAR1790
  2. Quality Park Flap-Stik Open-end Envelopes - Catalog - #15 1/2 - 12" Width x 15 1/2" Length - 14 lb - Peel & Seal - Tyvek - 100 / Box - White
    • Patented release strip makes envelopes easy to open
    • White Tyvek envelope with Flap-Stik closure
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  1. SMD89540
  2. Smead Poly Envelopes with String-Tie Closure - Letter - 8 1/2" x 11" Sheet Size - 200 Sheet Capacity - 1 1/4" Expansion - Polypropylene - Clear - 5 /
    • Tough, acid-free, brightly colored; ideal for the home, office or classroom
    • Expands to 1-1/4" to hold up to 200 sheets
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  1. QUAR1470
  2. Quality Park Survivor Tyvek First Class Envelopes - First Class Mail - #10 1/2 - 9" Width x 12" Length - 14 lb - Peel & Seal - Tyvek - 100 / Box - Whi
    • Patented release strip makes envelopes easy to open
    • White Tyvek envelope with Flap-Stick closure and first-class border
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  1. QUAR4497
  2. Quality Park Tyvek Heavyweight Expansion Envelopes - Expansion - 12" Width x 16" Length - 4" Gusset - 18 lb - Self-sealing - Tyvek - 50 / Carton - Whi
    • Ideal replacement for costly box or carton
    • Heavyweight White Tyvek with convenient, Flap-Stik closure
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  1. QUAR1590
  2. Quality Park Survivor Tyvek First Class Envelopes - First Class Mail - #13 1/2 - 10" Width x 13" Length - 14 lb - Peel & Seal - Tyvek - 100 / Box - Wh
    • Patented release strip makes envelopes easy to open
    • White Tyvek envelope with Flap-Stik closure and first-class border
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  1. QUAR4510
  2. Quality Park Tyvek Open-End 1st Class Envelopes - First Class Mail - 10" Width x 13" Length - 1 1/2" Gusset - 14 lb - Self-sealing - Tyvek - 100 / Car
    • Ideal replacement for costly box or carton; superior protection for light, bulky items
    • White open-end, expanding Tyvek envelopes with Flap-Stik closure and FCB
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  1. QUAR4202
  2. Quality Park Tyvek Plain Expansion Envelopes - Expansion - 10" Width x 13" Length - 1/2" Gusset - 14 lb - Self-sealing - Tyvek - 25 / Box - White
    • Ideal replacement for costly box or carton; offers superior protection for mailing light bulky items
    • White open-end, expanding Tyvek envelope with Flap-Stik closure
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  1. QUA46390
  2. Quality Park Open-End Poly Expansion Mailers - Expansion - 11" Width x 13" Length - 2" Gusset - Self-sealing - Polyethylene - 100 / Carton - White
    • Open-end design is durable and moisture-resistant
    • Ideal for bulky mailings
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  1. QUAR3140
  2. Quality Park White Leather Tyvek Plain Envelopes - Catalog - 10" Width x 13" Length - 14 lb - Self-sealing - Tyvek - 100 / Box - White
    • Features embossed, leatherlike texture that gets mail noticed
    • White Tyvek with Flap-Stik closure
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  1. QUAR1660
  2. Quality Park Flap-Stik Open-end Envelopes - Catalog - 10" Width x 15" Length - 14 lb - Peel & Seal - Tyvek - 100 / Box - White
    • Patented release strip makes envelopes easy to open
    • White Tyvek envelope with Flap-Stik closure
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  1. SPR19806
  2. Sparco Plain Open Side Tyvek Expansion Envelopes - Expansion - 12" Width x 16" Length - 2" Gusset - Peel & Seal - Tyvek - 100 / Carton - White
    • Super-strong, moisture-resistant and tear-resistant
    • Tyvek expansion
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  1. QUAR4610
  2. Quality Park Self-Seal Light Weight Expansion Envelopes - Expansion - 10" Width x 13" Length - 2" Gusset - 14 lb - Self-sealing - Tyvek - 100 / Carton
    • Ideal replacement for costly box or carton
    • Lightweight White Tyvek with convenient, Flap-Stik closure
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  1. BSN65860
  2. Business Source DuPont Tyvek 1st Class Envelopes - Document - 12" Width x 15 1/2" Length - Peel & Seal - Tyvek - 100 / Box - White
    • Super-strong Tyvek is moisture-resistant and tear-resistant
    • Requires no moisture to seal
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  1. QUAR4520
  2. Quality Park Tyvek Plain Expansion Envelopes - Expansion - 12" Width x 16" Length - 2" Gusset - 14 lb - Self-sealing - Tyvek - 100 / Box - White
    • Ideal replacement for costly box or carton; superior protection for light, bulky items
    • Open-end style with Flap-Stik closure
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  1. QUAR2011
  2. Quality Park Lightweight Tyvek Catalog Envelopes - Catalog - 9" Width x 12" Length - Peel & Seal - Tyvek - 100 / Box - White
    • Strong, moisture-resistant catalog envelope is light as a cloud in weight
    • White, Cirrus lightweight Tyvek with inside tint for security of contents
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  4. (1 review)
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  1. LIO22080-CR
  2. Lion Hook and Loop Closure Poly Envelopes - A4 - 8 17/64" x 11 11/16" Sheet Size - Poly - Clear - Recycled - 1 Each
    • Sturdy poly for repeated use and storage
    • Easy access with convenient, hook-and-loop closure
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  1. QUAR4630
  2. Quality Park Self-Seal Light Weight Expansion Envelopes - Expansion - 10" Width x 15" Length - 2" Gusset - 14 lb - Self-sealing - Tyvek - 100 / Carton
    • Ideal replacement for costly box or carton
    • Lightweight White Tyvek with convenient, Flap-Stik closure
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  1. SPR19758
  2. Sparco Plain Open End Tyvek Catalog Envelopes - Document - #13 1/2 - 10" Width x 13" Length - Tyvek - 100 / Box - White
    • Self-adhesive flap creates tight, instant seal without moistening
    • High-quality design stays strong at seams for worry-free use
  3. Ships in 1-2 Bus Days
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  1. QUAR2012
  2. Quality Park Lightweight Tyvek Catalog Envelopes - Catalog - 10" Width x 13" Length - Peel & Seal - Tyvek - 100 / Box - White
    • Strong, moisture-resistant catalog envelope is light as a cloud in weight
    • White, Cirrus lightweight Tyvek with inside tint for security of contents
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  1. QUAR4200
  2. Quality Park Tyvek Open-End Expansion Envelopes - Expansion - 10" Width x 13" Length - 1 1/2" Gusset - 18 lb - Self-sealing - Tyvek - 100 / Carton - W
    • Ideal replacement for costly box or carton; offers superior protection for mailing light bulky items
    • White open-end, expanding Tyvek with Flap-Stik closure
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  1. SPR19807
  2. Sparco Plain Open End Tyvek Expansion Envelopes - Document - 10" Width x 13" Length - 1 1/2" Gusset - Tyvek - 100 / Carton - White
    • Regular-weight, open-end envelopes
    • Super-strong
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  1. SPR19756
  2. Sparco Plain Open End Tyvek Catalog Envelopes - Document - #10 1/2 - 9" Width x 12" Length - Tyvek - 100 / Box - White
    • Self-adhesive flap creates tight, instant seal without moistening
    • High-quality design stays strong at seams for worry-free use
  3. Ships in 1-2 Bus Days
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  1. QUAR1520
  2. Quality Park Flap-Stik Open-end Envelopes - Catalog - #12 1/2 - 9 1/2" Width x 12 1/2" Length - 14 lb - Peel & Seal - Tyvek - 100 / Box - White
    • Patented release strip makes envelopes easy to open
    • White Tyvek envelope with Flap-Stik closure
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  1. QUA46200
  2. Quality Park White Poly Mailing Envelopes - Catalog - 14" Width x 17" Length - Self-sealing - Polypropylene - 100 / Pack - White
    • Features White opaque, co-extruded film for extra tear-resistant strength
    • White polyethylene open-end with Redi-Strip adhesive closure
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  1. QUAR4492
  2. Quality Park Tyvek Heavyweight Expansion Envelopes - Expansion - 12" Width x 16" Length - 2" Gusset - 18 lb - Self-sealing - Tyvek - 100 / Carton - Wh
    • Ideal replacement for costly box or carton
    • Heavyweight White Tyvek with convenient Flap-Stik closure
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  1. SMD89669
  2. Smead Poly Envelopes with Hook-and-Loop Closure - Letter - 8 1/2" x 11" Sheet Size - 200 Sheet Capacity - 1 1/4" Expansion - Polypropylene - Assorted
    • Protect your documents with durable, waterproof and tear-resistant poly envelopes
    • Expands up to 1-1/4"
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  1. QUAR1582
  2. Quality Park Flap-Stik Open-end Envelopes - Catalog - #13 1/2 - 10" Width x 13" Length - 14 lb - Peel & Seal - Tyvek - 50 / Box - White
    • Patented release strip makes envelopes easy to open
    • White Tyvek envelope with Flap-Stik closure
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  1. QUAR3120
  2. Quality Park White Leather Tyvek Plain Envelopes - Catalog - 9" Width x 12" Length - 14 lb - Self-sealing - Tyvek - 100 / Box - White
    • Features embossed, leatherlike texture that gets mail noticed
    • White Tyvek with Flap-Stik closure
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  1. QUAR5121
  2. Quality Park Tyvek Jumbo Survivor Envelopes - Catalog - 18" Width x 23" Length - 18 lb - Self-sealing - Tyvek - 25 / Box - White
    • Great for storing artwork, plates, negative, maps and blueprints
    • White Tyvek envelopes with Flap-Stik closure
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  1. QUA46199
  2. Quality Park Poly Mailing Envelopes - Catalog - 12" Width x 15 1/2" Length - Self-sealing - Polypropylene - 100 / Pack - White
    • Double perforations for easy opening
    • White polyethylene with Redi-Strip closure
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  1. QUAR1670
  2. Quality Park Survivor Tyvek First Class Envelopes - First Class Mail - 10" Width x 15" Length - 14 lb - Peel & Seal - Tyvek - 100 / Box - White
    • Patented release strip makes envelopes easy to open
    • White Tyvek envelope with Flap-Stik closure and first-class border
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  1. PFX84181
  2. Pendaflex Durable Polypropylene Envelopes - Letter - 8 1/2" x 11" Sheet Size - 1" Expansion - Polypropylene - Clear - 1 Each
    • Side-opening
    • Durable polypropylene
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  1. QUAR4210
  2. Quality Park First Class Expansion Envelopes - First Class Mail - 10" Width x 13" Length - 1 1/2" Gusset - 18 lb - Self-sealing - Tyvek - 100 / Carton
    • Heavyweight Tyvek offers superior protection for mailing bulky items
    • Open-end style and Flap-Stik closure for convenient use
  3. Ships in 1-2 Bus Days
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  1. SMD89527
  2. Smead Poly Envelopes with String-Tie Closure - Letter - 8 1/2" x 11" Sheet Size - 1 1/4" Expansion - Polypropylene - Red - 5 / Pack
    • Tough, acid-free, brightly colored; ideal for the home, office or classroom
    • Expands to 1-1/4" to hold up to 200 sheets
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  4. (1 review)
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  1. SMD89542
  2. Smead Poly Envelopes with String-Tie Closure - Letter - 8 1/2" x 11" Sheet Size - 1 1/4" Expansion - Polypropylene - Blue - 5 / Pack
    • Tough, acid-free, brightly colored; ideal for the home, office or classroom
    • Expands to 1-1/4" to hold up to 200 sheets
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  1. SMD89543
  2. Smead Poly Envelopes with String-Tie Closure - Letter - 8 1/2" x 11" Sheet Size - Polypropylene - Green - 5 / Pack
    • Tough, acid-free, brightly colored; ideal for the home, office or classroom
    • Expands to 1-1/4" to hold up to 200 sheets
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  1. SMD89544
  2. Smead Poly Envelopes with String-Tie Closure - Letter - 8 1/2" x 11" Sheet Size - Polypropylene - Purple - 5 / Pack
    • Heavy-duty to resist tear and repel water; acid-free
    • Clear polypropylene with string-and-button closure
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  1. SMD89547
  2. Smead Poly Envelopes with String-Tie Closure - Letter - 8 1/2" x 11" Sheet Size - 1 1/4" Expansion - Polypropylene - Red - 5 / Pack
    • Tough, acid-free, brightly colored; ideal for the home, office or classroom
    • Expands to 1-1/4" to hold up to 200 sheets
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  1. SMD89595
  2. Smead Poly End Tab Envelope - Letter - 8 1/2" x 11" Sheet Size - 1" Expansion - 5 Front Pocket(s) - Polypropylene - Clear - 5 / Pack
    • Store important documents that cannot be punched
    • 1" expansion
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  1. SPR25003
  2. Sparco Tyvek Open-End First Class Envelopes - Document - 10" Width x 15" Length - Peel & Seal - Tyvek - 100 / Box - White
    • Self-adhesive flap creates tight, instant seal without moistening
    • High-quality design stays strong at seams for worry-free use
  3. Ships in 1-2 Bus Days
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  1. LIO22080-PR
  2. Lion Hook and Loop Closure Poly Envelopes - A4 - 8 17/64" x 11 11/16" Sheet Size - Poly - Purple - Recycled - 1 Each
    • Sturdy poly for repeated use and storage
    • Easy access with convenient, hook-and-loop closure
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