. … 1,000 Self-Sealing Poly Mailers Highest Quality and Value #H (13″ x 16″) Product Specifications: Size: #HThickness: 2.35 mil Dimensions: 13″ x 16″ Quantity: 1,000 Pieces Additional Details: Self-sealing, peel and stick, adhesive keeps contents secure and tamper proof Extremely lightweight material helps save on postage Silver lining inside keeps contents hidden from view High strength seams for maximum protection Superior tear and puncture resistance Surface easily accepts ink, stamps, and labels Approved for USPS, FedEx, UPS, and DHL Retail Price: $999