Collapsible Aluminum Laptop Riser is a lightweight, portable laptop stand that pairs ergonomic comfort with enhanced productivity. Durable, sustainable aluminum creates a minimalist design that supports virtually any size laptop up to 16" wide with a maximum of 11 lb. Seven levels of height / angle adjustment elevate the screen to eye level for optimal viewing. Height adjusts from 2.24" to 5.83". Angle adjusts from 12 to 44 degrees. Stand quickly folds flat to easily fit into a laptop bag. Open ventilation helps promote air circulation, aiding laptop performance & battery life. Anti-slip silicon pads protect your laptop from scratches while keeping it in place when you work. Safety ledger stopper helps prevent your device from slipping.