EcoSwift Brand Premium Poly Shipping Bag Waterproof Durable Self-Seal Mailer 1.7 Mil, 4 in. x 6 in. (Size 00), Solid Gray, 4000-Pack

Quantity: 4000 Size: #00 Dimensions: 4" x 6" Thickness: 1.7 mil Self-sealing, peel and stick Silver lining inside keeps contents hidden from view Superior tear and puncture resistance Surface easily accepts ink, stamps, and labelsYou may also like EcoSwift Brand Premium Poly Shipping Bag Waterproof Durable Self-Seal Mailer 2.35 Mil, 9 in. x 11 in. (Size 3s), Solid Gray, 2500-Pack.