Silicone Flexiable Keyboard

7,Dustproof, Shockproof

6,No Noise,No influence to other's sleep

5,Washable, easy to clean                 

4,silicone,environment protective     

3,Foldable,easy to carry and hold,      

2,Waterproof,easy to wash                              

1,107,108 OR 109 keys.