The easy-access IRIS Exercise panel pet playpen with door is perfect for puppies, adult dogs, rabbits, guinea pigs and other family pets. Use it as an indoor fence, play gate, dog play yards, or dog exercise pens. The distance between bars is 1.7''. Built-in locks on the pet pen door twist to open for easy pet entry. The durable molded indoor pet pen will last for years. Pet pens can be positioned in different shapes to best suit your space capacity and pet's needs. The plastic panel on the dog playpen with door securely snaps together to keep your pet inside. The panels for dog exercise pen with door also feature a non-skid rubber foot to protect flooring. Available in 4 - 6 - or 8- panel sets.