Aluminum Portable Foldable Laptop Stand Adjustable Notebook Holder Support For Macbook Pro Air Computer Tablet Base Desk Specification: Metal:Please refer to the details page Type: laptop bracket Quantity: 1pc Material: aluminum alloy Color: silver / gray Width: 45-190mm/ 1.77-7.47inch Length: 29cm/ 11.4inch Height: 2.5-31cm/ 0.98-12.18inch ABS: Specifications: Type: Laptop Radiator Holder Quantity: 1PCS Material: ASS+PC Color: As Shown Size:5.6*4.5*0.5cm/52.2*1.8*0.2 (L*W*H) Package Size: 20.0*9.5*0.8cm/7.9*3.7*0.3 (L*W*H) Feature: 1. Portable and foldable 2.Height adjustment 3.Hollow bottom heat dissipation 4.Non-Slip silicone bottom Notice:the black color is ABS plastic,the gray and silver are Metal ABS plastic is suitable for laptop within 12 inches. Metal materials are suitable for laptop within 14-15 inches. Please purchase suitable products according to your needs Note: The color of the item may differ slightly from the picture due to differences in light and screen. please forgive. Due to manual measurements, please allow a difference of 1-2 cm.