16piece set of semicircular key caps in four colors for quick key identification and protection. Designed to fit thin, flat key heads and provide a snug, removable cover that helps prevent dust and impact damage. Key features Pack: 16 pieces, 4 assorted colors: Black, Purple, Orange, Light Green. Size: Key cap measures 1.57 in x 1.02 in x 0.158 in (L x W x H). Compatibility: Semicircular covers fit thin, flat key heads 0.7 to 1 in wide. Suitable only for semicircular and round key handles; not compatible with unconventional or bulky key head shapes. Material: Elastic PVC that offers good elasticity and strength. Resistant to heat, tearing, and color fading, with antifreezing and crackproof properties. Compact and lightweight. Fit and function: Wraps the key head tightly to prevent slipping while remaining easy to put on and remove. Helps protect key heads from dust, scratches, and minor impacts. Visibility: Four distinct colors make it easy to identify keys at a glance and reduce time spent searching for the correct key. Practical applications Home organization: Colorcode family keys for front door, garage, and storage to speed up daily use. Office and business: Assign colors to office, supply room, and equipment keys for quick access and reduced confusion. Workshop and utility areas: Protect frequently used keys in industrial or factory settings and distinguish tools, cabinets, or machinery keys. What to check before Measure your key head width and shape. These covers are designed only for thin, flat, semicircular or round key heads measuring approximately 0.7 to 1 in across. Not suitable for oversized, irregular, or uniquely shaped key heads. Package contents 16 semicircular PVC key caps in Black, Purple, Orange, and Light Green.