KENSINGTON SmartFit® Easy Riser™ Go Adjustable Ergonomic Riser for up to 17” Laptops – Black SmartFit® System simplifies ideal ergonomic height positioning using scientifically proven research to support proper fit and individualized comfort. Height Adjustable to allow users to lift the laptop as high as 180mm (7.1in) for optimal eye alignment Foldable Dual Kickstand Structure provides additional viewing and height flexibility options within a space-saving desktop footprint. Stability-Focused Design uses textured padded inserts and a wide bottom ledge with front lip to ensure a secure fit, plus anti-slip silicone foot pads to keep your device in place while you work. Pro Air Circulation dissipates heat buildup to extend the longevity of your device’s battery and internal components. Smart Portability provides a space-saving footprint that can fit a variety of desktop spaces, a flat and slim folding structure for traveling, a built-in handle for easy carrying and durable hard-edges for extra protection.