Waterproof Bottom Materials: Pet outdoor playpen is made of durable 190T Polyester fabric and high-strength memory steel holder, 98% waterproof bottom, surrounded by nets, you could watch your pets at all times, as well as ensure the ventilation of the playpen and eliminate odors. Keep your pets safe and secure both indoors and outdoors Automatic Opening : No need for complex splicing, built in frame pops open in seconds. Folds back flat when not in use for easy carrying and storing. When it is opened under spring pressure, it should be away from children and face Lightweight & Portable: The pet exercise fence is easy to carry, suitable for both outdoor and indoor. Weight 300g/0.66lb, is equal to the weight of an apple. Foldable into a round shape, 8.6" x 8.6"(22cm x 22cm). You don't need to carry a huge cage when you take your pet out. It can limit the range of pet activities. Very lightweight yet extra strong makes traveling and mobility very easy Suitable for Small Animals Playpen: Small animals pet playpen is perfect for hamsters, chinchillas, guinea-pigs, mice, gerbils, ferrets, squirrel, bunny, reptile or other small animals Easy to Clean and Set up: The pet yards playpen is easy to set up and store, and can be rinsed directly with water. The pet exercise fence is easy to carry, and you don't need to carry a huge cage when you take your pet out guinea pig cage guinea pig hamster playpen bunny cage guinea pig hideouts small animal playpen cage guinea pig cage rabbit playpen