With the Apple Nylon Sport Loop watch strap, you can give your Apple Watch a different look in an instant. You simply attach the strap to your watch case. The nylon material is soft, breathable and light. You close the strap with the adjustable Velcro closure. The strap is made of two-layer woven nylon and contains a large number of small loops. These loops not only form a soft layer, but also provide ventilation. Pay attention to the width connection of the watch case so that the strap fits properly. This strap fits on Apple Watch 40 mm, suitable for a wrist of 130 - 190 mm. This original Apple watchstrap is suitable for Apple Watch 38 mm and 40 mm and fits around a wrist of 130 to 200 mm.