EcoSwift Brand Premium Poly Shipping Bag Waterproof Durable Self-Seal Mailer 1.7 Mil, 12 in. x 16 in. (Size 5), Solid Gray, 500-Pack

Size: #5 Dimensions: 12" x 16" 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 labels