1000 Poly Mailers Bags: 7.5x10.5 Inside Dimensions: 7.5 x 10.5 Outside Dimensions: 7.5 x 12 White mailing pouches created for transporting non-fragile goods that require no cushioning during shipment Poly-mailers self-adhesive closure are made tamper-proof as it will not open after being pressed closed Envelopes with an opaque exterior to ensure privacy that labels will securely adhere to with ease Lightweight mailers that are a more affordable environmentally sustainable method of shipping goods Wholesale and bundle pricing available as an option for customers looking for reduced costs