Foldable and Portable: Foldable design for storage and transport Product size 67"L x 118"W. Folding size: 18.5" x 18.5" with stylish backpack. The package includes 2 lanes. Ideal for children, dogs and small animals indoors or outdoors. With this running tunnel, your pet will never be bored. The running tunnels can move freely inside and outside. Easy connection to the cat tent through zip doors at both ends (using different color pullers), our run tunnel easily connects to the cat tent. They can be used together or separately. You can connect more running tunnels or more cat tents for more fun for your pet. Our running tunnels and cat tents are very spacious and provide more freedom for your pets. Train your cat. Encourage your cat to exercise and play interactive games. An active cat is a happy cat. Our run tunnel is designed to provide pets with a safe play environment to do what they love to do - run, run, jump, grab and roll! Clear, durable mesh helps parents to keep an eye on the cats when playing outside. Keep your pet closer to nature indoors, and the netting is easy to clean.