Medium/Large 36" Exercise Pens for Dogs, Cats, Rabbits, Chickens, Ducks, Goats Etc. Our Easy Exercise Pens boast great value for the budget-conscious pet owner. Great for show, travel, and home use, these practical pens feature narrow wire spacing for added rigidity and security and fold flat for easy transport All pens are 16 square feet. More than one pen can be hooked together to create your custom sized play/confinement area. Can be used for just about any type of animal: Dogs - Cats - Bunny Rabbits - Ducks - Chickens - Goats - Etc. Eight interlocking panels allow for multiple configuration options. 24"-wide panels create a spacious exercise area for pets. Narrow wire spacing provides rigidity and security. Material: steel with black e-coating Wire Spacing: 4 3/4" L x 1 2/4" W Size: Each ex-pen measures 16 square feet. Medium/Large Pen measures 36"H Care: Do not use harsh detergents or abrasives. To clean, use mild soapy water and a sponge or soft cloth to wipe away stains. Rinse and dry thoroughly.