Constructed with Thickened Type tear-resistant polyester material and memory steel frame, strong and not easily deformed. Bright rainbow appearance, built-in crinkle crackle paper, peephole & toy ball, easily attract pet attention and interest. Can be folded or opened in seconds, Free Splice length, portable when going out, pets can be played freely indoors / outdoors anytime. [Good Choice For Can be spliced]Ties and Connectors at each end allow you to can be connected with other accessories so that you can create a maze for your pets. [Extra Bonus of Fun]the hanging ball at the exit provides maximum interactive fun that brings hours and hours of exercise and self-amusement and is a great way to encourage daily exercise and keep your pet active.