This is the upgraded mecha armor series keycap set available in 8 exclusive trendy colors to match diverse desktop styles and personal aesthetic preferences. Adopting premium PBT+PC dual-layer composite technology, these keycaps combine the outstanding durability of matte PBT outer layer and the excellent light transmission performance of hollow transparent PC inner structure. The unique bilateral hollow and side-printed side-lit design delivers soft and layered RGB backlight effects without glare or light leakage, realizing dual aesthetic modes with lights on and lights off. Designed with standard OEM factory height and ergonomic curved surface, the keycaps offer crisp tapping feedback and all-day typing comfort, effectively reducing hand fatigue during long gaming and office sessions. The complete 134-key full set covers almost all mainstream mechanical keyboard layouts including 60%, 65%, 75%, 87%, 104% and 108%, perfectly meeting daily use, e-sports gaming, office work and personalized desktop modification needs. With futuristic sci-fi mecha styling and versatile color matching, this keycap series is an ideal upgrade accessory for mechanical keyboard enthusiasts and desktop DIY lovers.