Compatible ModelThe sport silicone straps compatible with Apple Watch Ultra 49mm, Ultra 2 49mm, series 9 45mm, series 8 45mm, series 7 45mm, series 6 44mm, series 5 44mm , SE 44mm,series 4 44mm , series 3 42mm, series 2 42mm , series 1 42mm.Please check the size on the back of your watch to choose the right size.Quality materialsThis Apple Watch straps is made of soft and durable silicone material that protects against skin irritation, is water resistant, sweat proof and lightweight, giving you a comfortable wearing experience.Fastening: BuckleEasy to installSports strap compatible with Apple Watch 49mm 45mm 44mm 42mm , with a new strap buckle design to lock the strap more firmly, durable and avoid the watch from falling loose from the strap, easy to install directly and remove with one click.Multi-colour options]We offer a wide range of popular colours for you to choose from, suitable for running, climbing, swimming, fitness and other sports. Personalised bands suit your mood and attire in your daily life, personalise your Apple Watch with these quality bands. Plus, it's the ideal gift for family and friends.