【Specifications】The Size of MDF Boards: 79.4cm L x 39.5cm W x 4.8mm Thickness; Overall Size: 80cm L×40cm W×160cm H;The Maximum Load Bearing of Each Layer: 80kg. 【High Quality】 The storage rack is constructed of premium steel and MDF boards. The Thickness of MDF Boards is 4.8mm/1.9”. The maximum load bearing of every single layer is 80kg/176.4lb. It is not recommended to place overweight items on the highest layer. 【Easy to Handle & Boltless Construction】 It is hassle-free to install the storage shelves. You just need to connect the beams using the included steel connection pieces without bolts, and then put the MDF boards on. All of the necessary mountings and instruction are accompanied.