We have a 30-day return policy, which means you have 30 days after receiving your item to request a return. keycaps can be used for most ANSI MX switch mechanical keyboards, a good choice for you to DIY your mechanical keyboard.132 keys can fit for 61/64/68/75/84/87/96/98/104/108 mechanical keyboard keys Compatibility: Our Keycaps are designed to fit any gaming keyboards with any Cherry MX Switches or any new switches that have a “+” under your keycaps. Not Compatible with Razer, Gigabyte, Corsair, Logitech, and Steelseries can't use this keyset Ergonomic Design: Cherry profile full keycaps suitable for ergonomic design and easy to install. Suspended low keycap, curved layout, bring you a lasting and comfortable experience.