comfortable silicone and the surface is made of soft and Smooth and breathable Material , supply lightweight, comfortable, durable and skin-friendly touch, provide extra support, slow bounces back and not easy to out of shape, and Perfect for longer hours of use. NON-SLIP: Non-skid base provides heavy hand grip preventing sliding or unwanted movement for Keyboard and mouse pads, keep the wrist rest stay in place on desk surfaces. PERFECT SIZE: keyboard wrist pad fits most computers or notebooks. It improve hand and wrist posture, avoid joint and wrist problems and release your elbows and shoulder stress for long hours of use on the computer, can effectively relieve wrist pain. ERGONOMICS: Deformation free keyboard pad, stands still while typing, Relaxing and comfortable use such as home, office, cybercafe, etc. Keeps wrists at a straight line instead of at an angle to the keyboard and mouse.Ergonomic design for typing pain relief, and carpel tunnel syndrome relief. NICE GIFT: Keep wrist straight and Relieve wrist pain when you gaming, working, study etc. It is an essential accessory for someone who use computer and typing frequently, also a great gift for family, friend, student. Specifications: A / B / C / D / E / F / G / H Material: Silica gel colour: As shown Package Contents: 1 x Keyboard wrist support pad Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.