This heavy-duty pet playpen is made of premium metal wires. Antirust painted frame ensures sturdiness and durability. Six detachable panels can be set up in different shapes to meet your various needs. If you need a larger fence for your pets to enjoy running just combine the two sets together and you can get a large semi-enclosed playground. 31.5 Tall playpen is ideal for small animals like puppies kittens rabbits fowls guinea pigs to play in. Also a door with latch and metal anchor stakes help keep them securely confined in place. This foldable playpen can be collapsed for easy storing and also simple to set up in minutes.