Description M5Stack KeyCap is a 9-piece customizable mechanical keyboard keycap set for keyboards and control panels that use cross-shaped switch stems. Each cap is made from PC plastic with an injection-molded body and a transparent snap-fit cover, so labels can be changed quickly without replacing the whole keycap. The M5Stack KeyCap design includes a slightly curved top surface for a comfortable fingertip feel during repeated input. The 12 x 12mm inner sticker area supports the included character stickers, making the set useful for shortcut keys, DIY macro panels, office controls, gaming layouts, and creative hardware projects. For builders who need clear, reusable button labels, M5Stack KeyCap offers a simple way to mark functions while keeping the light weight and durability expected from a mechanical keyboard keycap accessory. Features M5Stack KeyCap compatibility: designed for mechanical keyboards and switch designs with cross-shaped stems. Customizable label window: transparent snap-fit cover lets users place or replace character stickers quickly. Comfortable surface: slight center curvature improves fingertip contact for repeated button operation. Durable PC material: injection-molded plastic construction balances low weight with everyday durability. 9-piece set: M5Stack KeyCap includes multiple caps for small control panels, keyboard layouts, or project interfaces. Specifications Material Plastic (PC) Inner sticker size 12 x 12mm Product size 18.5 x 18.5 x 10.3mm Product weight 1.3g per keycap Package size 138.0 x 93.0 x 11.3mm Gross weight 18.2g Applications Custom shortcut keys for office desks, maker workstations, and compact input panels. Gaming or creative software layouts that need visible, changeable key labels. DIY hardware projects using cross-stem mechanical switches. Small control interfaces where M5Stack KeyCap helps mark frequently used functions. Product List 9 x KeyCap 1 x Product Sticker Other Content The sticker workflow is simple: open the transparent snap-fit cover on the keycap, apply the selected character sticker, and close the cover to secure it. The M5Stack KeyCap set includes commonly used character stickers for quick key identification. Before installation, confirm that the keyboard or project switch uses a cross-shaped stem design. The 18.5 x 18.5mm cap size and 12 x 12mm inner sticker area are intended for compact, readable labels without adding much weight to the switch. Resources M5Stack KeyCap product document FAQ What switches does it fit? M5Stack KeyCap is designed for mechanical keyboards and switch designs with cross-shaped stems. Check the switch stem before installation. Can the labels be changed later? Yes. Open the transparent snap-fit cover, replace the sticker, and close the cover again to update the displayed function. What is included in the package? The package includes 9 keycaps and 1 product sticker sheet. What is the sticker area size? The inner sticker area is 12 x 12mm, while each keycap measures 18.5 x 18.5 x 10.3mm.