Glamour Bubble Mailers 50 Mailing Bags Plastic Mail Envelope for Shipping Padded Bags (Green, 13.75 x 11 inch) Usable Dimensions: 12.75 x 10.75. Color: Green, Paper Liner: White. Provides excellent protection during shipments. Aluminum Foil with Bubble Lining, Bubble Lining: 3/16. Approved by UPS, FedEx, and USPS.