The connect 2 in 1 cat tunnel comes in a space saving zip up storage bag and has a wire frame which allows the pop up tunnel and cube shaped den to transform in an instant into an adventure play area for your cat the 90cm long tunnel can be attached to the square tent using velcro by adding additional sets you can combine them in multiple different ways and create an exciting labyrinth for your playful cat an ideal place for chasing and hunting hiding and relaxing which invites your cat b