Features: 135 key top backlit keycap (including 2.25/2.75/6.25u space bar); The 108 key top backlit keycap is only compatiblewith 61/87/104/108 keyboard (only containing the 6.25u space bar); This is the only keycap set in the packaging, excluding the keyboard. Unique 2-in-1 design: As the first keycap to combine thermalsublimation andcraftsmanship, it not only retains exquisite pattern but also allows the lights on the keyboard to shine through the font. Oil resistant PBT keycap making the surfaces more durable and less prone to long-term formation of shinys dirt, providing you with long durability and a comfortable typing experience. Widely compatible: This customized keycap set includes 108/135 buttons. It can accommodate most 60%/65%/75%/80%/96%/100% (61/68/84/75/87/96/980/104/108) keyboards Designed specifically for the typing experience. Even if you use it for a long time in work or games, you will not feel tired. Thick key wall: The keycap wall is approximately 1.5mm thick, providing durability and robustness. Specifications: Material: PBT For : Mechanical Keyboards Theme: Blue and White Porcelain Process: Dye subbed and Double Shot Number of Keys: 108 Keys/135 Keys Size:Mixed Package Includes: 1 Set Keycaps note: Keycaps only, Keyboards not included! Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!