【Ergonomic Design with Massage Holes】 The keyboard wrist rest is with numerous massage holes and two wave-shaped grooves on both sides. The keyboard pad alleviates your wrist pressure by elevating your wrist on a neutral position. If you are a programmer, art designer, gaming player, this keyboard rest is suitable for your daily work. 【Comfortable Memory Foam】 Made of premium memory foam and superfine chinlon material, the wrist rest is shock absorption, excellent wear resistance, slow rebound and soft touch. This keyboard wrist pad offers ventilation, strong support and slow bounce back for your wrist and is recommended by experts for avoiding carpel tunnel syndrome and other stress injuries. 【Anti-slip Rubber Base】 Different from other wrist pad with resin bases, ours is with silicone bottom, which can help you hold the mouse wrist rest more firmly on desk. NO need to worry about the mouse pad slipping away. The mouse wrist support helps you to type or click as fast as possible. 【Moderate Size】 There are three different sizes. Large: 17.24" x 3.25" x 1". Medium: 14.13" x 3.5" x 1". Small: 5.12" x 3.25" x 1". Those sizes are all recommended by experts. Please choose the appropriate keyboard wrist rest according to your mouse’s size. Thanks. Ergonomic Keyboard Wrist Rest This ergonomic wrist rest pad can raise your wrist to a neutral position when you are typing and clicking. It provides your wrist strong support and prevents Carpal Tunnel Syndrome, improving your working style. Slow-rebound Memory Foam Made of high quality memory foam and chinlon material, the keyboard wrist rest combo is with slow rebound and soft touch. You will feel so comfortable when putting hands on it. Comfortable Massage Holes The keyboard wrist pad comes with numerous massage holes that will provide air flow when you are using it. Those holes can massage your wrist and bring you better using experience.