ompatibility: Size #1: compatible with apple watch band 41mm/40mm/38mm.Please Be Caution: The Bands color might appears differently under different Screen/Display, as well as in outdoor or indoor environment.Comfortable Material: Nylon is skin-friendly and breathable material, if you wear the band with daily basis, you wont feel discomfort in your wrist.Stretchy and Adjustable Band: Metal buckles allow you to adjust the elastic watch band to your comfort level and the watch face wont move around your wrist.Easy to take on/off: Really simple procedure, take off the band, slide into our band, and then it will fit snugly with your watch.Universal Sizes: The watch band is 6.5 Inches in length, with its elasticity, could fits wrist size up to 8.66 inches, for safety and comforting purpose, larger wrist size are not recommended. If you have any product related issues, please tell us, we are more than happy to resolve any issues for you.