Teafco Argo Airline Approved Extra-Small Action Petpack Carrier Trendy, lightweight backpack pet carrier engineered for active pets and owners Constructed of light, rugged 840 denier nylon fabric with dual mesh window for extra pet comfort Innovative design for small dogs or cats High-quality padded shoulder strap reduces neck strain and back pain Includes removable waist or fanny pack to carry treats, toys, and other essentials