The Sharper Image Laptop and Tablet Tray with Built-In Charger is a versatile lap desk designed for use with a variety of laptop sizes, from 7 inches to 15 inches. Made of durable polycarbonate material, it features a built-in USB port for charging and a foldable design for easy storage. The black tray has dimensions of 11 inches in length and 12.5 inches in width, providing a stable and comfortable surface for working on the go. Compatible with universal laptop brands. Excellent condition.