Create a custom space for your furry friend with the FXW Heavy-Duty Dog Playpen. Our Dog fence with 24/32/40/50inch heights to ensure that dogs are confined in a semi-open space . instead of a cage. Based on the DIY design of the unique rod connection . you can set up a kingdom of any size for your dog; you can use the existing terrain to build a semi-enclosed environment; you can even use it on various uneven terrain such as your yard . on gravel . or on a patio. Our rods’ unique patented technology gets rid of the dependence on tools . which means you can install this dog fence completely by hand. When playtime is over . this heavy-duty dog playpen is completely foldable for easy portability and storage. All these aspects are designed for absolute safety . so your pets can play safely in the dog pen and you can really relax.