Contain your pup safely for exercise and fun with the 24'' 4 Panel Exercise Pet Playpen with Door. This open-top indoor playpen creates 8 square feet of contained space for your dog, with an easy-access front door that locks securely for safety. Made of durable molded plastic with panels that snap together for easy assembly, compact storage and portability, it comes with non-skid rubber feet to keep it in place and protect floors.