Unique designed alpine loop nylon strap adjustable with metal hook perfectly fits Apple Watch 8 ultra series7/6/5/4/3/2/1 Nike+,sport &eEdition all models of 42mm 44mm 45mm 49mm Breathable nylon loop apple watch band made of premium quality nylon materials by knitting craftsmanship to make sure a soft and comfortable feeling. Easy to Install: The stylish and adorable designed bands for Apple watch has a great hook to make your bands flexble and secure