Features: PBT laser-engraving keycaps, suitable for mechanical keyboard. Resistant to solvents and heat-resistant Light transmission, it will give you the cool feeling when you use. Specifications: Material: PBT Height:R4/ESC height(suitable for replacing R4 or ESC for key) Color: Red Light Transmission Top Print keycap. Package Size:approx 5x5x2cm/1.97x1.97x0.79in Installation Instructions: Using a wired for key puller tool (not included), gently place both sides of the tool underneath the for key you want to remove. With both sides underneath the for key, gently begin pulling upwards while wiggling the for key side to side at the same for time. Make sure you do this in a smooth motion or else you may cause damage to your keyboards mechanical switches. Note: The color may have different as the difference display,pls understand. It's only keycaps. don'for t contain keyboard. Package includes: 10PCS x KeyCaps