The book press is installed already,it's workable once you open the box,you don't have to assemble it yourself,and i have tested it when install the set,the board goes up and down smoothly when lifted horizontaly.It is made with 1.8cm thick 3-ply bamboo plywood,which is smooth,flat and varnished,your loved book won't be hurt when pressed with high pressure.Edges are sanded and corner rounded,so just use it without worry.The press area is 8.5”x7.9”(vertical) and 5”x11.6”(horizontal),the press height is 2.35”.
The bamboo wood is natural material,so the bambook wood grain and color may vary from each by each.