Pastel Rainbow Double Shot Translucent 37 PBT Keycaps with Puller for Cherry MX Mechanical LED Backlight Keyboards Molding double injection double shot translucent PBT replacement keycaps for LED backlighting Perfectly compatible with all Cherry MX or Kailh line of mechanical key switches Both ENGLISH/KOREAN lettering; Great gift idea for someone who wants to learn Korean language Made from PBT plastic; Most durable and more resistant materials to heat and chemicals than ABS keycaps Unique rainbow pastel color; Clicky tactile feel of 1.2 thickness; More comfortable new step-sculpture 2 low profile keycaps