Amazingly sturdy! I’m so happy it fits over the door, it also gives me a choice of installing it on the wall. I love that I can decide how many shelves I want and what a relief to be able to organize things in any room of the house! Extremely glad that I bought five of them!￼￼ I love that I can decide how many shelves I want!! Best buy all year! Way to go WAYFAIR!!￼