This cat tree is made of sturdy particle board,anti-toppling device for extra stability.Soft 400gsm short plush covers all the boards, offering your cat a warm and soft touch, keeping them comfortable while sleeping or playing.The cat tree is great for 2-3 adult cats to play at the same time due to its 5-tier design and outstanding load capacity. It features one spacious condo with a tease cat ball for bringing your cats extra joys, a hammock for nap, 3 padded perches for viewing and a sisal scratching post for sharpening their claws,protects furniture from damages caused by cats'scratching.