Item Specification:Brand new sealed Shipping Bag5000 pieces in each packWater and Tamper Resistant.Used to Ship Lighter Weight items. Poly Mailer, Good quality: 2.0 Mil durable fit shipping bagsMade with 100% New Polyethylene Material poly mailer bags, Plastic mailers poly bags, shipping packagesLightweight but durable Size 6″ x 9″Self-adhesive shipping envelopes keep items saved and protectedNO BUBBLE INSIDEUPS, FedEx & USPS APPROVEDSimply Peel-and-SealFree shipping