KATRIS Modular Cat Tree - Mono Black is a sturdy and functional solution for your cats climbing and scratching needs.It"s a modular cat tree/ climbing tower/ condo furniture system for both cats and owners. It is multi-functional, modular & versatile. It can be changed up in endless new combinations and formations, providing new play and scratch options so that your cat wont get bored. It designed in the UIt"s a modular cat tree/ climbing tower/ condo furniture system for both cats and owners. It is multi-functional, modular & versatile. It can be changed up in endless new combinations and formations, providing new play and scratch options so that your cat wont get bored. It designed in the U