Features: There are 4 sizes for your option: 40mm/42mm/44mm/46mm. Easy to install and remove: Multi-color case bumper for you to choice. Covers your watch side and edges perfectly, offer protections for your watch to against scratches, shock-proof and shatter-resistant. Designed with precise cutouts for functional buttons and ports. Easy access to all controls, buttons. Compatible for Watch4/5. Specifications: Material: PC- Size: 40mm/42mm/44mm/46mm Color: black/white/silver/rose gold/blue/green/deep green/clear/pink Note: Please allow 1-3cm error due to manual measurement. please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Bumper Case