Compatible: It is a little thing we can do, and everything will be fine. 49 mm Apple watch case only compatible 49 mm Apple Watch (Series Ultra 1 / Ultra 2); Lightweight, Not add any bulk on wrist Security: All-around screen protector; Durable and flexible soft TPU material covers your Apple Watch screen, side and edges perfectly. Shiny, shock-proof and shatter-resistant, not only protect your apple watch while keeping the flexible touching, but something around you while working, two-way protection. No worries about sweat buildup after a workout Humanized design: Easy installation and no harm to your watch. Precise cutouts, directly charge and swap band, no need to remove the case Materials note: TPU is a heat-sensitive material, it will become hard in winter. Please put it in a warm place and wait for its ductility to be restored. Then it will be much smoother to use again Elegant Packaging: Perfect gift for your family and friends. Want to change the color of your Apple Watch? Don't need a new watch, just need a iWatch case. Keep the original exterior, just the icing on the cake