[Macbook Air Stand Compatible Device] - Computer elevator maximum support spreading width 6.5in to 21.5 in laptops and tablets such as Book, Macbook, Mackbook Air,Macbook Pro,iPad Air 2/3/4,iPad Pro 2/3/4,Lenovo,Acer,iPad Pro etc. [Small and Portable Laptop Stand] - Foldable laptop stand small size(9.8*0.8) and light weight(0.55lb),they are convenient to portable,it will come with flannel bag to pack stands,you can carry on to anywhere. [Silica Gel Pads Protection] - Folding tablet stand,6 anti-slip silicone protective pad of phone and laptop stand increase contact surface and friction,firmly anti-slip to support laptop,meantime to avoid scratch desk and computer. [Laptop & tablet stand adjustable height phisical heat dissipation] - Lap stands for laptop,hanging and elevate laptop height,extend air circulate space,to reach for cooling of computer machine. [Laptop Stand Ergonomics Design] - Laptop holder utilize stand lift laptop height(2.2in-6.1in) to steadly support device,offer 7 angles(0-75°)you can get a comfortable posture to operate computer,improve your efficiency.