This 24'' Exercise 4-Panel Pet Playpen with Door, is perfect for puppies, small to large dogs, and other family pets. The This Exercise Pet Playpen can be utilized indoors or outdoors the pet playpen is portable and provides 8 square feet of exercise space for pets. Each panel measures 33.6""W x 24""H door measurements 14.5''W x 16.5''H the distance between bars is 1.5''. The This Playpen is made of durable, heavy-duty molded plastic, the playpen will last for years and will never rust. The panels interlock securely with full-length connecting rods, and the pens can be positioned in different shapes to suit your pet's needs best. Each panel features a non-skid rubber foot to protect flooring.