Size: 6 x 10” Usable Space: 6” x 9”Self-sealing, adhesive and easy to be peeled Black Paper Bubble Mailers provide outstanding low cost shipping protection for a wide variety of products. Each mailer is made of recycled Black kraft paper with 3/16″ bubble lining for maximum protection. Our Peel-N-Seal tabs provides a secure, tamper evident closure. All orders receive free shipping!