EcoSwift Brand Premium Poly Shipping Bag Waterproof Durable Self-Seal Mailer 2.35 Mil, 24 in. x 24 in. (Size 9), Solid Gray, 250-Pack

Size: #9 Dimensions: 24" x 24" Thickness: 2.35 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