Features and Benefits: Features a row 4 (R4) profile designed for the top row of your keyboard. PBT material characteristic: Can Survive up to 150C (or more in some cases) Resistant to solvents. Mechanically Strong. High toughness,good fatigue resistance It will give you the cool feeling when you use. Specifications: Material: PBT Height:R4/ESC height(suitable for replacing R4 or ESC key) Color: Red Light Transmission Blank Print keycap; Top Print keycap. Side Print keycap Fittment: Fit for most brand keyboard. Size: 18mm x 18mm Installation Instructions: Using a wired key puller tool (not included), gently place both sides of the tool underneath the key you want to remove. With both sides underneath the key, gently begin pulling upwards while wiggling the key side to side at the same time. Make sure you do this in a smooth motion or else you may cause damage to your keyboards mechanical switches. Notice: The color may have different as the difference display,pls understand. It's only keycaps. don't contain keyboard. Package Included: 1 X KeyCap