Dimentions: Medium 16.5'Lx8.7'Wx9.6'H Maximum weight: 12 pounds Designed for pet lying down. Pet may not be able to stand in this carrier. Made from breathable materials with three panels of mesh. Ensured Maximum Airflow and Comfort of your pet. Top zippered opening and one side entry for convenience. Carrier includes: Seatbelt safety strap. A justable Shoulder strap. Washable Velcro fleecy pad. Two zippered pockets. Please measure your pet carefully before purchasing. Maximum weight is only for your reference. It is most suitable for cats, small and some short medium breed dogs.