First-class Expansion Envelopes with heavyweight Tyvek offer superior protection for mailing bulky items which are not too heavy. Ideal replacement for costly box or carton, envelopes feature open-end style and convenient Flap-Stik closure. Being much stronger and more secure than traditional paper envelopes, these envelopes with DuPont Tyvek won''t rip, tear or puncture. First-class expansion envelopes are water-resistant and moisture-resistant. They are easy to use. Simply peel and seal.
| Brand Name | Quality Park |
| Closure Side | Open End |
| Closure Type | Self-sealing |
| Color | White |
| Country of origin | United States |
| Features | Puncture Resistant |
| Features | Moisture Resistant |
| Features | Heavyweight |
| Features | Water Resistant |
| Features | Tear Resistance |
| Mailer/Envelope Gusset | 1 1/2" |
| Mailer/Envelope Length | 13" |
| Mailer/Envelope Size | 13" x 10" |
| Mailer/Envelope Weight | 18 lb |
| Mailer/Envelope Width | 10" |
| Manufacturer Part Number | R4210 |
| Manufacturer Website Address | http://www.qualitypark.com |
| Material | Tyvek |
| Packaged Quantity | 100 / Carton |
| Print/Message | First Class Mail |
| Product Name | First Class Expansion Envelopes |
| Recycled | No |
| Manufacturer | Quality Park Products |
| Product Type | Envelope |
