Important Notice: Supporting Rings Not Included Made from high quality stainless steel and cloth, both of them are durable and stable to use. The shape is of rectangle design, very stable and being able to bear a large pressure. Easy and convenient to install, plug and connect the knots, then it can begin to work. Strong frame providing enough space to play and exercise . Folding design tent for you to take your kids together with you when traveling. Suitable for servicing as a interesting toy of you kids or your pets. Mesh cloth design, breathable and comfortable for your kids or pets to stay inside