ROCCAT Alumic Double-Sided Gaming Mouse Pad Optimized for Speed+Control,The ROCCAT ALUMIC two surfaces have different structures, allowing both fast as well as very controlled movements Anodized Aluminum Core, gives the ROCCAT ALUMIC incredible stability and protection against warping-yet it's just 3mm thin, making it ideal for use either on the sofa or while on the move. Gel Wrist Rest for extra comfort, the wrist rest offers comfort and fatigue-free enjoyment. Speed + Control surface, perfect for High-sense and Low-sense gamers Low-sense gamers need a super smooth surface for ultimate gliding performance and fast, sweeping mouse movements. In contrast, the granular surface is designed to meet the needs of high-sense gamers.