This tube or tunnel is great for cats, rabbits and ferrets to play and nap. The attached connector tabs allow additional cubes or tunnels to be connected together to make larger play areas. Pieces can be easily moved and rearranged to create variety and interest. Specifications: Easily pops open and folds down. Crinkle noise and peek-a-boo netting encourage play. 90cm long & 26cm diameter Double the fun with the Pawise Pop Up Play Cube