?Warm Tips?This product is a set of keycaps, not a keyboard. If the keycaps are missing or borken, please contact customer service to send you replaecement keys. ?Wide Selection?These keycaps are suitable for most keyboards, such as 61/64/68/84/87/96/104/108 cherry mx switches mechanical Keyboards.If you are not sure whether this keycaps set is fit for your keyboard, please consult customer service. ?Rugged and Durable?The thickness of these keycaps are about 1.4~1.5mm, so the keycaps are very durable. The thick PBT material will effectively extend the service life of the keycaps. ?Cherry Profile?This set of pbt keycaps uses the cherry height, which is higher than the XDA profile. It's ergonomically designed, so you will not feel tired even if you type or play games for a long time. ?PBT Keycaps?These 141 cherry profile keycaps are made of thick PBT material, with a matte texture and anti-grease coating, which can provide good durability and typing.