... keyboard heat release, 4, anti-yellowing can reach 4H; 5, texture is soft high elastic, ultrathin (about 0.35 mm), high ... do not affect any keyboard, 8, waterproof, dustproof, never worry for water, coke, coffee, dust and ash, crumbs objects to damage ... 10, receive convenient, can free tortuous without deformation. 11, silicone material, soft touch, the surface has non-slip function, let your typing ...