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 – White

General InformationManufacturer: Quality Park ProductsManufacturer Part Number: R4210Manufacturer Website Address: http://www.qualitypark.comBrand Name: Quality ParkProduct Name: First Class Expansion EnvelopesMarketing Information: 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. Packaged Quantity: 100 / CartonProduct Type: EnvelopeProduct InformationMailer/Envelope Type: First Class MailMailer/Envelope Width: 10″Mailer/Envelope Length: 13″Mailer/Envelope Gusset: 1 1/2″Basis Weight: 18 lbClosure Type: Self-sealingClosure Side: Open EndPrint/Message: First Class MailFeatures: Puncture Resistant Tear Resistance Water Resistant Moisture Resistant Heavyweight Physical CharacteristicsProduct Color: WhiteProduct Material: TyvekMiscellaneousRecycled: NoAssembly Required: NoCountry of Origin: United States