★★★★★ Toast bread breackfast style. Resin material ★★★★★ For Cross key caps (E.g: Cherry MX switches) If you are not sure if your keyboard is suitable, contact us anytime. (Determine if it fits your keyboard based on the last picture). ★★★★★( About Romer-G switches ) If your keyboard switchesis Romer G. Let us know, you can get a tool to convert the cross. In this case, you can use any cherry MX keycaps in your Logitech keyboard.