The most versatile Sherpa bag...handbag, shoulder bag, backpack•Sherpa Backpack Carriers Feature: •Available in black Microfiber fabric •Mesh side entry door, side window and panels for ventilation •Adjustable over the shoulder strap converts to backpack strap •Padded bottom board for stability •3 roomy zippered pockets •Inside leash ring •Washable faux lambskin liner •Approved on most major airlines. Fits comfortably under cabin seat•Size: 17 INCH L x 9.5W x 12 INCH H: •Pets up to 16 Lb; 16 INCH x 10 INCH H