100 % Silicone Rubber - Rigid-body Construction (not a roll-up keyboard). The Really Cool Plus is a waterproof and contaminant-resistant keyboard with an integrated two-button touchpad.
Only SILVER SEAL™ Keyboards are WASHABLE and ANTIMICROBIAL.
SILVER SEAL™ Keyboards are manufactured using the exclusive SEAL SHIELD™ waterproofing technology (Patent Pending).