Type: Height adjustable laptop stand Material: Aluminum alloy Storage size: large: 25.5*4*0.85cm/small: 21*4*0.85cm Adjust the gear position: large (200g) / small (170g) Raised height: large (6-18cm) / small (4-12cm) Suitable size: large (14-17.3 inch notebook) / small (11-13.8 inch notebook) Bearing capacity: large (20 kg) / small (15 kg)