| Management number | 254667002 | Release Date | 2026/11/07 | List Price | US$90.39 | Model Number | 254667002 | ||
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Expansion Envelopes with heavyweight Tyvek offer superior protection for mailing bulky items that are not too heavy. They are ideal replacements for costly boxes or cartons. Envelopes feature open-side style and convenient Flap-Stik closure. Envelopes made with DuPont Tyvek won't rip, tear or puncture. They are much stronger and more secure than traditional paper envelopes. These 18 lb. envelopes are water-resistant and moisture-resistant. They are easy to use. Simply peel and seal.<p><strong> Quality Park Tyvek Heavyweight Expansion Envelopes, White, 100 / Carton (Quantity) </strong></p>
| Envelope size | 10" x 15" x 2". |
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| Envelope type | Expansion Envelopes |
| Color | White |
| Envelope closure style | Self-Adhesive |
| Brand | Quality Park |
| Count | 100 |
| Model name | R4450 |
| Weight | 18 oz |
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