STABLE SUPPORT - For large cat tree, stable structure is very important. The top structure of this floor to ceiling cat tree uses 3 reinforced screw rods to ensure product s stability. With 5 inches extra thick support column, this tall cat tower passed loading test, can easily hold up to 145 lbs. SATISFY NATURAL INSTINCT - Cats naturally like heights, climbing to high places can burn off their excess energy and enhance their sense of security. This 6 level tall cat tree comes with ex-large soft hammock, 360 view transparent capsule, semi-enclosed cat condo and view perch. Cats can nap, scratch, and play in this cat climbing tree, one cat tree can satisfy all their needs.