Kensington Collapsible Aluminum Laptop Riser is the lightweight, portable laptop stand for those seeking to match ergonomic comfort with enhanced productivity. Constructed of durable, sustainable aluminum, the smart, minimalist design supports virtually any size laptop up to 16", letting you choose from 7 levels of height/angle adjustment to elevate the screen to eye level for optimal viewing. Features open ventilation for laptop cooling and quickly folds flat for grab-and-go travel. Solid Aluminum Construction Made with strong, lightweight aluminum, a recyclable and sustainable material. Ergonomic Comfort Allows users to elevate the screen to eye level for the optimum viewing angle. Collapsible Portability Quickly folds flat to fit easily into laptop bag; weighs only 0.53 lbs. (0.24 kg). 7-level Height Adjustable Provides 7 levels of height/angle adjustment for optimal viewing. Height adjusts from 2.24"-5.83" (57 mm-148 mm); Angle adjusts from 12°-44°. Open Ventilation Design Helps promote air circulation, aiding laptop performance and battery life. Anti-Slip Silicon Pads Protect laptop from being scratched and keep device in place while you work. Safety Ledge Stopper helps prevent devices from slipping. Works With Virtually Any Size Laptop Supports laptop screen sizes up to 16". 11 lbs. (5 kg) max. weight.