Glamour Mailers Shipping Mailing Bags, 9" x 11.5", Red Self Adhesive Bubble Bag 300 Pieces Usable Dimensions: 8 x 11.25. Color: Red, Paper Liner: White. Provides excellent protection during shipments. Aluminum Foil with Bubble Lining, Bubble Lining: 3/16. Approved by UPS, FedEx, and USPS.