The 20x20 inch base plate feels rock solid even when my 12-pound guy launches himself onto the top perch, and the 6-inch-thick sisal post has already survived a week of daily clawing without fraying. I'm actually relieved I don't have to brace it every time he jumps down.
Owen D.★★★★★
My cat is a rough player and has knocked over every tree we've owned, but that 20x20 inch base plate is rock solid. The 6-inch thick sisal post is also a beast, and it's already taken a ton of scratching without any wobble. Honestly, this is the first one that feels like it'll actually last.
James★★★★☆
My cat started scratching the sofa instead, but the 1.6 inch thick base keeps this planted so firmly that she’s finally using the sisal post every day. Assembly took me a bit longer than expected, though the stability is worth it.