GTMax Durable White Plastic Foldable Laptop Tray with Cooler Fan for Apple MacBook Pro MC374LL/A / MacBook MC516LL/A / MacBook Air MC503LL/A 13.3-Inch Laptop Brand new generic desk Light weight and easy assembly. Made of high quality ABS plastic material Adjustable with different level of height with a mouse platform Cooling fan is powered by USB port