1. Material The tunnel bag is made of quality materials that are durable and longlasting. It is designed to withstand scratching and biting from cats without tearing or fraying. The tunnel includes 2 plush balls to enhance playtime fun with your cat. 2. Foldable and Portable The cat toy bag features a flexible frame that maintains its shape or can be folded for storage. It is easy to use both indoors and outdoors, especially while traveling. It takes up very little space. 3. Cat Tunnel It is in a cat's nature to explore caves and small spaces. When your furry friend hides and scratches inside this cat toy bag, the crinkling sound will grab your attention. 4. Hours of Play and Exercise The crinkle bag for cats comes in a bag shape, providing your pet with a place to explore. The paper cat tunnel features a claw hole that stimulates your cat's curiosity and relieves boredom. It can also be used for agility training!