THE ULTIMATE GUARD : Just 1.9mm thin and 4g light. Our special impact resistant polymer provides up to 1.2m / 4 feet drop protection. Subtle raised edges above the screen helps to protect your screen from unexpected knocks and bumps. DURABLE MATERIAL : Tough yet flexible, holds shape without loosening even after repeated bending or stretching. This bumper is also scratch-resistant, 100% recyclable, and 100% BPA Free, making it completely safe for you and your loved ones. ADD A PERSONAL TOUCH : Apple Watch CrashGuard NX bumper cases are highly customizable. Changeable rims let you mix and match to make the case truly yours! USER FRIENDLY : Precise cut-outs provides full access to the digital crown, heart rate sensor, and charging functions. COMPATIBILITY : Made for use with the Apple Watch Series 9/8/7 [41mm] only. Compatible with all official Apple straps (strap not included).