Collapsible lightweight cat Tunnel with peak-a-boo mesh window easily pop open for play time and quickly collapses for easy and compact storage – no assembly required. Cats cannot resist crawling inside the mysterious Tunnel interior. The collapsible cat Tunnel with peak-a-boo mesh window is great for kittens to small and large cats; can be used under supervision for other small animals like rabbits and/or for small dog agility training. Great interactive toy as cats love to run, tumble, tussle, chase and hide in the Tunnel. Cats loving having a safe enclosed space of their own where they can hide, lurk and pounce on unsuspecting things. Great for solo or group play. Great way to encourage exercise with your cat by helping to satisfy their hunting Instinct of observing, stalking, pouncing and chasing or a great safe quiet place for your cat to sleep. The peak-a-boo mesh window promotes play and exploration, allowing cats to check in with surroundings while also playing hide and seek with other cats or humans.