Specification: Size: 7.5″x5.5″ Self-adhere to Cardboard, Plastic, Wood, or Metal Clear outer face Perfect size for pre-printed shipping labels Plain Face version?clear view window provides transparency for documents. Ideal for housing order forms, invoices, and special documents. Provides excellent protection during shipments. Puncture resistant and tamper/water proof. Approved by UPS, FedEx, and USPS. Package Include: 50-1000 x 7.5″ x 5.5″ Packing List Envelope (Choose The Qty You Want).