Compatible: 40 mm Apple watch Case only compatible with 40 mm Apple Watch; Lightweight, Not add any bulk on wrist. Case Only, No Apple Watch included, don't use with tempered glass together | Security: Durable and flexible soft TPU material covers your iWatch side and edges perfectly. Shock-proof and shatter-resistant, not only protect your apple watch while preserving the best glass touch, but something around you while working, two-way protection. No worries about sweat buildup after a workout | Humanized design: Designed for Apple Watch Series 6 Series SE Series 5 Series 4 40 mm, barely noticeable. Easy installation and no harm to your watch. Precise cutouts, directly charge and swap watch band, no need to remove the case. NOTICE: Please distinguish the front and back of the case (the side with the largest hollow is the front), and then install it from the crown hole on the front | 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