How to choose the right size of nylon sport loop band? First measure your wrist and according to the size under your watch, we provide 151mm-222mm/5.94"-8.74" fit Apple Watch 7 45mm, Apple Watch SE & Series 4/5/6 44mm, Apple Watch Series 1/2/3 42mm, 141mm-187mm/5.55"-7.36" fit Apple Watch series 7 41mm, Apple Watch SE & Series 4/5/6 40mm, Apple Watch Series 1/2/3 38mm. | How is the nylon sport loop band material? It is comfortable & soft, our nylon velcro apple watch bands made with a double-layer weave strap are skin-friendly, allowing sweat to escape, also soft and easy to clean. | Does this woven apple watch strap come with velcro? Yes, you could easily adjust the length to find the perfect stick together position, get rid of the awkward situation, and experience from a leather band with holes design. | Is this one single piece or two? It's single piece hook & loop design, you just need to slide the adapters in as all your regular bands did. | You will Get: 1x Nylon velcro band. OXWALLEN provides a 1-year warranty for sport nylon velcro watch band. please feel free to contact us directly if you got any problems when you wearing this band and we will reply to you as soon as possible.