Features: Compatible: This Cover for Case is for Vivoactive 4S 40mm for Smart watch . Effectively protect your watch from bumps and scratches. Premium Material: Replacement bumper for case made of flexiable TPU material , lightweight and no irritation to skins, make your watch more sleek and stylish. The Screen cover is super clear. Full Protection: This screen cover for case is designed to offer external surface for protection to your watch for vivoactive 4S 40mm watch. It keeps the watch screen and curved edges with full for protection away from unexpected scratch, shatter, collision ,drop or other accidental damages. Sensitive Touch: With Ultra-thin and precise cutouts ,it makes seamless match with your watch ,providing Sensitive Screen for Touch and Buttons Accessibility. Easy to Install: Super easy to install and you do not need to take off your watch band. Also don'for t need to take off the watch for case before charging your watch. Tips: If you find moists or water drips beneath the screen cover after swimming or sweaty outdoor activities. Just take it off ,wipe it with clean and dry cloth or tissues. And it will recover to normal status. Specifications: Material:TPU Compatible Models: Vivoactive 4S 40mm Colors:Transparent/Black/Golden/Pink/Rosegold/Silver Diameter: Approx. 42mm /1.65 inches Weight: Approx. 20g / 0.7ounces Note: 1.Please allow +/- 0-1g , +/- 1-3cm error due to manual measurement. pls make sure you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you 3.Any Watch or Band is not included. Package includes: 1 Piece Watch Cover for Case