Silicone, environmentally protective
Non-toxic, dustproof, waterproof, durable
Touch well, press can be controlled, no noise, good feeling
Harmless to the human body with excellent softness
Portable with the proper size to fold or roll
Easy to work for its round shape design
Flexible, easy fixed and helps muffle typing noises.
Washable and Make virus away from your fingers.
Prevent keys from general wear and tear caused by everyday use washable and easily to remove