If your shipments often contain fragile items or you need to ensure the contents arrive safely, MyBat's Self-Seal Kraft Bubble Mailer Pack is your best choice. The Bubble Mailers come in packs of 100 pieces, so you have plenty on hand at all times. These medium-sized Kraft Bubble Mailers measure 11.50" tall by 13.90" wide. They feature dual-layered bubble padding to provide better cushioning and impact protection during transit. Its peel-and-stick self-adhesive strip creates a strong tamper-evident seal to ensure your packages remain intact during transit and arrive safely at their destination. The high slip inner layer makes it easy to insert and remove products. Features: Includes 100 Kraft Bubble Mailers 11.50" Tall X 13.90" Wide Dual-Layered Bubble Cushioning Self-Adhesive Seal Tamper-Evident