Product Specifications: ---Size: #0 ---Dimensions: 6" x 10" ---Usable Space: 6" x 9" ---Lined with bubble for protection. ---Brand: ProLine Additional Details: ---Self-sealing, peel and stick, adhesive keeps contents secure and tamper proof ---Extremely durable and lightweight Poly material helps save on postage ---Strong seams, fins on two sides, and seamless bottom for maximum protection ---Surface easily accepts ink, stamps, and labels ---Approved for USPS, FedEx, UPS, and DHL.