Double Shot Molding: Designed for backlit/non-backlit keyboards, providing enhanced LED shine-through and fade-resistant keys. ^^ Compatible with MX-Style switches ^^ Non-fade Key Legends ^^ US Layout. 104 keys for full-size US layout mechanical keyboards ^^ Multiple color choices. (Black, white, mint, red, blue, pink, purple, blue) make your keyboard unique. suitable for DIY your own mechanical gaming keyboards.