SUPER SOFT, BREATHABLE AND LIGHTWEIGHT: Made from high quality nylon weave material, breathable design and sweat free for maximum comfort and performance, Contracted design style, with you life contracted and not simple. | SIMPLE TO WEAR: A flexible connector fastener is quick and easy to adjust according your wrist size. It's so secure and durable to anchore by the attachment straps that not worry about falling off. | FIT All TYPE OF YOUR APPLE WATCH: All watch straps are compatible with all versions Apple Watch, including Series 5, 4, 3, 2 and 1. Apple Watch sizes 38mm, 40mm, 42mm and 44mm. | MULTIPLE COLORS ARE AVAILABLE: The most fashionable sport band for 2019. Compatible for watch series 5/4/3/2/1, 38mm(40mm) Fits for 130–190(5.12"-7.28")mm wrists.42mm(44mm) fits for 145–220mm(5.7"-8.66") wrists. | SUPERIOR SERVICE GUARANTEE: All RolQitee watch bands are under 12 months warranty. If there are any problems, we could offer a full refund or new free replacement within 360 days.