Enlarged Elastic Rubber Dome - Larger Plastic Dome structure underneath key caps ensures fast and reliable keystroke response. One-Piece Rubber Design - Using a one-piece rubber membrane design the FORCE K3 is an extremely stable and durable keyboard. This will prevent key caps from being mis-aligned if the keyboard is accidentally dropped. Water-Resistant Functionality - FORCE K3 features water resistant functionality to protect the keyboard from spilled drinks and other mishaps. Enhanced Frame Structure - 4 Layer frame structure with an extra chassis layer， FORCE K3 frame-enhanced structure design guarantees durable performance that improves drop resistance.