Flexible Pop Out Cat Kitty Play Cube Expandable Play Tunnel Cat Toys,with 4 Balls, Red Made of polyester,smooth, soft and anti scratching.The cat paly tent light weight and sturdy. This pop out kitty play cube will provide your cat with hours of play time The cube have a play tassel inside and can even be attached to other cubes for more fun This cube is most suitable for small or medium size cats or small puppies ( please see the measurement before place order) With hook-and-loop tabs, which can be easily connected to additional cubes