Quality Park

Quality Park Heavyweight Expansion Envelopes - Expansion - 12" X 16" - 18 Lb - Self-sealing - Tyvek - 50/carton - White (r4497_40)

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SKU:
18235728
MPN:
r4497_40
Availability:
Usually ships in 1-2 business days. In stock at our WI warehouse.
Shipping:
Calculated at Checkout
Stock Update:
12/28/2025 08:43:10 AM PST
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$210.17
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Stock Update:
12/28/2025 08:43:10 AM PST

Description

This item is brand-new, factory sealed.

Expandable mailer made with DuPont Tyvek material delivers the best possible protection at a shipping-cost-saving weight. Inserting and removing contents is easy because of its horizontal, open side orientation. Self-adhesive Redi-Strip closure provides a secure, peel-and-press seal. Clean, crisp look makes a professional impression. Heavyweight 18 lb Tyvek. Seam Type: Center; Flap Type: Square; Trade Size: 15 1/2; Security Tinted: No.
  • Expandable design made with DuPont Tyvek material.
  • Horizontal, open side orientation.
  • Redi-Strip self-adhesive closure.
  • Clean, crisp look.

    • Global Product Type:Catalog Envelopes
  • Global Product Type:Catalog Envelopes
    • Global Product Type:Catalog Envelopes
  • Global Product Type:Catalog Envelopes
    • Seam Type:Center
  • Seam Type:Center
    • Global Product Type:Catalog Envelopes
  • Global Product Type:Catalog Envelopes
    • Global Product Type:Catalog Envelopes
  • Global Product Type:Catalog Envelopes
    • Flap Type:Square
  • Flap Type:Square
    • Trade Size:#15 1/2
  • Trade Size:#15 1/2
    • Security Tinted:No
  • Security Tinted:No
    • Opening:Open End
  • Opening:Open End
    • Envelopes/Mailers Closure:Redi-Strip Adhesive
  • Envelopes/Mailers Closure:Redi-Strip Adhesive
    • Exterior Material(s):DuPont Tyvek
  • Exterior Material(s):DuPont Tyvek
    • Basis Weight:18 lb Tyvek
  • Basis Weight:18 lb Tyvek
    • Envelopes/Mailers Exterior Dimensions:12 x 16
  • Envelopes/Mailers Exterior Dimensions:12 x 16
    • Color(s):White
  • Color(s):White
    • Color Family:White
  • Color Family:White
    • Expansion:4"
  • Expansion:4"
    • Product Biodegradability in Days:0
  • Product Biodegradability in Days:0
    • Pre-Consumer Recycled Content Percent:0%
  • Pre-Consumer Recycled Content Percent:0%
    • Post-Consumer Recycled Content Percent:0%
  • Post-Consumer Recycled Content Percent:0%
    • Total Recycled Content Percent:0%
  • Total Recycled Content Percent:0%
    • Footnote 1:DuPont and Tyvek are registered trademarks of DuPont
  • Footnote 1:DuPont and Tyvek are registered trademarks of DuPont
    • Footnote 1:DuPont and Tyvek are registered trademarks of DuPont
  • Footnote 1:DuPont and Tyvek are registered trademarks of DuPont
    • Footnote 1:DuPont and Tyvek are registered trademarks of DuPont
  • Footnote 1:DuPont and Tyvek are registered trademarks of DuPont
    • Footnote 1:DuPont and Tyvek are registered trademarks of DuPont
  • Footnote 1:DuPont and Tyvek are registered trademarks of DuPont
    • Footnote 2:Tyvek basis weight is measured in pounds per 500 uncut 24" x 36" sheets of Tyvek material
  • Footnote 2:Tyvek basis weight is measured in pounds per 500 uncut 24" x 36" sheets of Tyvek material
    • Footnote 2:Tyvek basis weight is measured in pounds per 500 uncut 24" x 36" sheets of Tyvek material
  • Footnote 2:Tyvek basis weight is measured in pounds per 500 uncut 24" x 36" sheets of Tyvek material
    • Footnote 2:Tyvek basis weight is measured in pounds per 500 uncut 24" x 36" sheets of Tyvek material
  • Footnote 2:Tyvek basis weight is measured in pounds per 500 uncut 24" x 36" sheets of Tyvek material
    • Footnote 2:Tyvek basis weight is measured in pounds per 500 uncut 24" x 36" sheets of Tyvek material
  • Footnote 2:Tyvek basis weight is measured in pounds per 500 uncut 24" x 36" sheets of Tyvek material
    • Special Features:Heavyweight 18 lb Tyvek
  • Special Features:Heavyweight 18 lb Tyvek

    • Features

    Assembly Required:   
    No

     

    Recycled:   
    No

     

    Country of Origin:   
    United States

     

    Specs

    Physical Characteristics
    Product MaterialTyvek
    Product ColorWhite
    Color FamilyWhite
    General Information
    Brand NameSurvivor®
    Manufacturer Website Addresshttp://www.qualitypark.com
    Marketing Information12" x 16" x 4" expansion mailers are made with 18 lb. DuPont Tyvek and feature a Redi-Strip closure. Protective material is strong and durable enough to easily withstand the most grueling conditions and resists punctures, tears and moisture. Everyday mailers provide a highly effective and useful way to send important information and items whether from home or work. They can help increase the effectiveness of your important mailings and the assurance that your contents will be delivered. Mailers expand up to 4" to accommodate bulky items. Redi-Strip closure requires no moisture for a secure seal. Lightweight construction could help you save on shipping costs.
    Product TypeEnvelope
    Product Name12 x 16 x 4 DuPont Tyvek Expansion Mailers with Redi-Strip® Closure
    ManufacturerQuality Park Products
    Manufacturer Part NumberR4497
    Packaged Quantity50 / Carton
    Product Information
    Mailer/Envelope TypeExpansion
    Mailer/Envelope Length16"
    Basis Weight18 lb
    Mailer/Envelope Gusset4"
    Mailer/Envelope Width12"
    Features
    • Puncture Resistant
    • Tear Resistance
    • Water Resistant
    • Moisture Resistant
    • Heavyweight
    Closure TypePeel & Seal
    Closure SideOpen Side

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    Warranty Information

    All Items are Brand New, Factory Sealed and come with a standard warranty. [Read our policies]
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    Quality Park Heavyweight Expansion Envelopes - Expansion - 12" X 16" - 18 Lb - Self-sealing - Tyvek - 50/carton - White (r4497_40)
    $210.17