1. Material The tunnel bag is made of quality, durable materials designed to withstand scratching and biting from cats without tearing or fraying. It comes with 2 plush balls to enhance your cat's playtime fun. 2. Foldable Portable The cat toy bag features a flexible frame that maintains its shape or can be folded for storage. It's easy to use both indoors and outdoors, especially while traveling, and takes up minimal space. 3. Hours of Play Exercise The crinkle bag for cats is designed in a pouch shape, providing your pet with a space to explore. The paper cat tunnel includes a claw hole to stimulate your cat's curiosity and relieve boredom. It can also be used for agility training! 4. Cat Tunnel It's 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. Adding a few treats inside can turn this kitten tunnel into a fun game of hideandseek for your pet.