2) Waterproof, can be dipped into and washed with soap and water;

3) The colorfast printed letters won't come off even after long periods of time.

4) Bright,eye-enjoyed and smooth surface,very excellent hand feeling.

5) Type quietly and comfortably.

6) It can be rolled up randomly and taken easily. 

7) Lightweight, ultra-slim, and compact.

8) It fit easily in your briefcase, backpack, or notebook, do not worry

about any sharp edegs!

9) The foldable keyboard is flat design also offer an ease in typing which eliminates negative-angle stress to your wrists.