Side-Prined PBT Keycaps: Side-prined keycap keyboard are currently a new trend worldwide. These side-engraved PBT keycaps take double injection molding and heat sublimation process, which are more durable without fading, sweat-proof, and softer to the touch, allow the keyboard's light to shine through fonts. Compared with traditional keyboard, this side-prined keyboard can bring you a very different keyboard using experience. For the color of the keycaps, we choose gradient black color to make the whole keyboard looks cool and stylish