Compatible Models : compatible for Apple Watch band 49mm 45mm 44mm 42mm 41mm 40mm 38mm, For Apple Watch Ultra band, apple watch series 8 band, apple watch series 7 band, apple watch se band, apple watch series 6/5/4/3/2/1. Silicone replacement sport bands for All Apple Watch Version. Waterproof and Skin-friendly Premium Material: Made from high-performance elastomers which are very light and flexible, its tubular geometry allows the iWatch bands to stretch for a perfect fit, even over wetsuits. The silicone sports bands are durable, waterproof, comfy, and fadeless. Adjustable Titanium Buckle and Loop : The sport iwatch wristbands adopt a corrosion-resistant titanium buckle design, which is very firm and secure; and the innovative adjustable Titanium loop makes the watch band fitter and more stable even doing high-speed water sports. Available Wrist Size : There are so many holes to adjust the buckle to the fit size and have the comfiest wearing experience. 38mm/40mm/41mm size is suitable for 5.6"-7.1" (140-180mm) wrist, 42mm/44mm/45mm/49mm is suitable for 6.2"-8.3" (160-210mm) wrist. Stylish Multiple Colores : it comes in many colors for your choice. Wearing different color bands always give your iwatch a new looking. This band is also a great gift for men, women, boys, and girls on various occasions, such as business, school, work, sports, party, home and more. Closure: Buckle Style: Modern