The bubble-poly insulated pet carrier is surrounded by and composed of a high-grade polyester Outer shell. This pet carrier features a zippered mesh entrance and additionally features mesh top zippered enclosures. Great for fall and winter seasons and can be worn year-round. A bottom cardboard insert is meant to withstand 30 Lbs. of weigh. Features accented shoulder straps and a built-in leash holder inside for added protection. Available in multiple colors: sizing measurements: (l*w*h) 15.7 * 9.1 * 12.7.