Carlson Secure and Compact Single-Door Large Dog Crate Secure your dog in this sturdy Carlson Secure and Compact Single-Door Dog Crate when you aren't home to protect your valuables from unexpected doggie damage and to protect your carpets from pet accidents Suitable for indoor and outdoor use Small is suitable for small and toy breeds or puppies Medium is suitable for medium breeds or puppies Large and X-Large are suitable for larger breeds