... keyboard.It's thin, soft, waterproof, long lifetime and easy to pucker. It is mainly used in office, hospital, lighting ... of waterproof, dustproof, acidproof, alkaliproof, thin(0.86cm), key-press no voice, easy-curved and puckered, soft light at night, ... key board.-advantages: water proof, dustproof, acidproof, alkaliproof, thin(0.86cm), etc.-usage: in laptop or computer.-packing: 1pcs/color ...