1. KRAFT BUBBLE MAILERS: This pack contains 10 light weight bubble cushioned mailer envelopes 2. DURABLE: The surface of this bubble envelopes made from a durable, recycled kraft paper. The interior built with bubble lined wall construction for extra protection during transit, ensure the packages arrive in great condition. 3. SELF-ADHERING: Peel-and-seal strip is quick and easy to use. Once sealed, it cannot be reopened without visible tampering signs. Puncture, tamper, and water-resistant for added security during shipment. 4. DIMENSIONS: Outside size: 9.5 x 14.5 in, usable size: 9.5 x 13.5 in 5. SHOP FOR MORE: Visit our brand store for a wide selection of high-quality shipping solutions and other premium products to meet all your mailing needs.