The laptop riser is made of excellent 6mm aluminum alloy and has a triangular construction to better support up to 13.2lbs of weight. It may keep your laptop in place and prevent it from scratches and sliding with bigger anti-skid silicone coverings on two higher hooks and the full top surface. Furthermore, smooth edges will never cause pain to your hands. The laptop computer stand is constructed of high 5mm aluminum alloy, which is fairly durable and can handle up to 4kg of weight on top, with thick rubber pads on the top surface to keep your laptop in place and protect it from scratches and sliding. Heat dissipation: Thermal pads made of aluminum alloy material help cool your laptop.