Columbian Tyvek® Grip Seal® Open End 1-1/2" Exp Envelopes/1st Cl Prevents painful tongue cuts--Grip-Seal® flap works without moisture. Tyvek® packaging is almost impossible to rip or puncture. Expansion envelopes like these work great for bulkier mailings. Envelope Size: 10 x 13; Envelope/Mailer Type: Expansion; Closure: Grip-Seal®; Trade Size: NA.

Product Specifications  Manufacturer #: WEV-CO813 Product Details Columbian® Tyvek® Grip Seal® Open End 1-1/2" Exp Envelopes/1st Cl, 10x13, 100/Bx Closure: Grip-Seal® Color(s): White Custom Imprint Included: No Envelope Size: 10 x 13 Envelope/Mailer Type: Expansion Expansion: 1 1/2" Exterior Material(s): Tyvek® Preprinted Message/Format/Border: First Class Border Security Tinted: No Weight [Nom]: 14 lb UPC: 50026900908135 Keywords: 10 x 13 x 1-1/2, COLUMBIAN, Envelope, Envelopes, Expansion, Expansion Envelopes, First-Class, Mailer, Self-Seal Envelope, Tyvek