Features 1.Heavy Duty 4 Slots Version Design: ULBRE Vertical Laptop stand upgraded to include 4 slots, allowing you to hold two laptops, phones vertically at the same time. This design optimizes your desktop space and helps to keep your desk organized and free of clutter. 2.The ULBRE Vertical Laptop Stand is adjustable in size, allowing you to fit laptops with thicknesses ranging from 15mm/0.59 inches to 40mm/1.57 inches. The stand comes with an adjustable hexagon wrench for easy size adjustments. 3.Protective and Stable: Non-toxic and Non-slip silicone mat and around groove and for scratch resistant, silicone base pad protects your MacBook or phone from being scratched and secures it in a stable position. 4.High Quality Material: The vertical laptop holder is made from sturdy heavy due aluminum alloy, is scratch-resistant and durable and wide base keep your laptop from falling down. Specification Material: Aluminum Alloy and Silicone ColorBlack Size: 15 x 12 x 5cm Weight: 670g Package Include: 1x Laptop Stand