IRIS Plastic Exercise/Containment Pet Pen, 8 Panels, Blue IRIS USA, Inc. Exercise/Containment Pet Pens IRIS exercise & containment pens are ideal for play, exercise or training, indoors or out. Made in the USA of durable, heavy-duty molded plastic, they’ll last for years and will never rust. Recommended for puppies and small-to-medium sized pets. The panels interlock securely with full-length connecting rods, and the pens can be positioned in different shapes depending on your space. Light weight and easy to assemble and disassemble for transport or storage. Each panel features non-skid rubber feet to protect your floors. Both sizes of pens are available in white, blue and pink. Also available: 2-panel add-on kits. The IRIS 4-panel pen measures approx. 35 in x 35 in x 24in H and provides over 8 sq. feet of space The 8-panel model measures approx. 63 in x 63 in x 34 in H, providing over 21 sq. feet of play area The IRIS USA Inc. exercise pens can be assembled in seconds The 8-panel pen features a large hinged access door with double locking latches for security The 4-panel pen can be expanded to a 6-panel pen with available 2-panel add-on kit The 8-panel pen can be expanded to a 10-panel pen with available 2-panel add-on kit Our simple concept at IRIS USA, Inc. has been to help others to live life organized. We introduced a line of clear plastic storage products to the North American market in 1994 and have continued to grow and expand ever since. Today, our product selection covers four categories: Home, Office, Utility and Hobby. In addition, we have a line of licensed storage products as well as pet food containers and containment pens. At IRIS USA, we are fully dedicated to designing and developing products that bring organization, convenience, and simplicity to everyday living. Whatever the storage need may be, we have a solution!