Keycap Cover Size: (Approx.) 1 x 0.75 x 0.16 Inch/25.4 x 19 x 4 mm (Flexible), please make sure it matches your key before purchasing. Colorful Keycap Material: These keycaps are made of tough silicone, which is odorless, flexible and durable, waterproof, and suitable for long-term use. Keycap Set: 8 Colors: Red, Black, White, Orange, Yellow, Purple, Blue, Green. Identify Your Keys: Organize your keys with different colors to make them easy to identify. You can quickly select the key you need when opening the door. Suitable for a variety of scenarios in factories and offices. Colorful Keycap Application: This set of keycaps is suitable for round, square, triangular and hexagonal heads. The soft and deformable silicone keycaps can be used with most standard keys, please rest assured to buy.