Furinno hidup-adjustable cooler fan notebook laptop table portable bed tray book stand, x7 black. Guidelines: Maximum recommended weight is 33 lbs (15 KGs). PLease pay attention to the weight limit to avoid any possible damage to property and health. This product applies button spring-locking technique. Before you put things on the panel, please make sure that you have adjusted the joint to the suitable angle and lock it to avoid accidents.