COMPATIBILITYUniversally fit for almost all laptops models and sizes from 11 to 17.3 inches, suit for MacBook, MacBook Air, Macbook Pro, Microsoft Surface, Google Pixelbook, Dell XPS, HP, ASUS, Lenovo, Acer, Chromebook, Alienware and more. DOUBLE LAYER ADJUSTABLE DESIGNThis stand for laptop and tablet provides 6 + 9 levels adjustable height from 25mm to 310mm, enables you adjust to comfortable operating angle and height based on your actual need. Ergonomic design for easy watching and typing, relieving neck, shoulder and spinal pain. COMPACT and PORTABLECreative portable foldable design, the laptop stand can be folded to the size of 25*290mm and with the portable storage bag to make it easy to carry-on. HEAT DISSIPATIONThis stand raises computer thus offers an open space for ventilation attribute to its ingenious design, preventing your laptop from overheating during use. EXQUISITE WORKMANSHIPCNC-machined made from anodized aluminum alloy, going through sand blasted and brushed processes. Non-slip silicone mat avoids risks of scratches and ensures a stable placement. Specifications: 1. Portable and foldable 2. 9+6 speed height adjustment 3. Hollow bottom heat dissipation 4. Non-slip silicone Specification: Color: Silver/Gray Product unfolded size: 290*200*25-310MM Product storage size: 290*45*25MM Packing size: 29.5*6*4CM Product net weight: 450g Product gross weight: 590g Suit: for 11 - 17 inch laptop and tablet Function: Foldable laptop heightening bracket and hollow bottom design Package Included: 1*Laptop Stand 1*Storage bag