10 EcoSwift Size #5 10.5x16 Poly Bubble Mailers Padded Envelope Shipping Supply Bags 10.5 x 16 inches Size: #5 Dimensions: 10.5" x 16" Usable Space: 10.5" x 15" EcoSwift self-sealing with strong seams, fins on two sides, and seamless bottom for maximum protection Quantity: 10