Ergonomic design: depending on the ergonomic design, height and angle can be freely adjusted to improve the correct posture and relieve pain in the shoulder and waist, eye strain and more. In addition, the hollow carved design can help to dissipate the heat of your laptop and extend the lifespan. Durability and protection: made of high-quality aluminium alloy and a fitted damping design that makes the stand holder more stable. Each surface of the laptop has specially designed silicone pads that not only prevent your laptop from slipping but also protect its surface from scratches. Foldable and portable: the foldable and portable design can be folded or used within a second. It is enough light and small, which makes it great to carry or store. Ideal for home, office, outdoor, travel, schools, hotels and more. Universal compatibility: compatible with Apple Macbook, Macbook Air, Lenovo Thinkpad, HP, ASUS Huawei Matebook and most other laptops, notebooks and tablets within 4 to 17 inches.