Material: small animal playpen is made of soft polyester fabric and high-strength memory steel holder, sturdy and durable; easy to clean and quick to dry.^ Automatic Opening: No need for complex splicing, built-in frame, opens in seconds. Folds flat for easy carrying and storage. When opened under spring pressure, it should be kept away from children and face.^ Notes: It can quickly create an interactive space between owners and pets. It is a place where pets play games. If left unattended, pets can jump the deer fence. We recommend that your pets are supervised at all times.^ Suitable for: small animal playpen, suitable for guinea pigs, hamsters, chinchillas, hedgehogs, mice, gerbils, ferrets, squirrels, rabbits, reptiles or other small animals.^