What makes the product unique from others? It is the round support frame. Unlike other 3 tiers of end table that has traditional straight bar frame support metal, this end table has round frame in the middle that is both practical and beautiful. In the middle circle frame is the middle shelf for your storage. The middle circle frame is stable and well assembled to the top and bottom shelves. Do not need to worry the stability, it can bear 200lbs. Besides, the frame is rust-free and and the board is easy to maintain, it can serve you for a longer time.