Metallic Purple Glamour Bubble Mailers Padded Shipping Envelope Bag Self Seal - 13.75" x 11" 50 Pieces Usable Dimensions: 12.75 x 10.75. Color: Purple, Paper Liner: White. Provides excellent protection during shipments. Aluminum Foil with Bubble Lining, Bubble Lining: 3/16. Approved by UPS, FedEx, and USPS.