Catty Stacks House System is a new, economical alternative to traditional cat furniture. They are heavy duty, industrial-strength boxes made from durable Corrugated Ultraboard that holds multiple cats up to 20 lb. Catty Stacks are portable and extremely versatile, securing to each other to form different structures for cats to play, hide and sleep in. They are light weight to quickly and easily move and rearrange to sustain your cat's interest.

Each box measures 16" x 16" x 16".

Please note, pads and toys are not included.