100% Carbon fiber links each link is made from 100% carbon fiber a durable yet stylish material. Carbon fiber is water-resistant and can be cleaned using water. We do not recommend wearing the wristband when swimming in saltwater. Lightweight & comfortable weighing only 1.1Oz this smooth textured carbon fiber link band offers all-day comfort with classic style. Customizable size easily adjust the minimalist watch band by adding or removing links using the tool provided. Watchband can be extended to 8.1In forapple watch not include . Watchband measurements: l: 7.3In x w: 0.87In x d: 0.16In. Compatible with apple watch attach the watch strap to your watch series series 7 se 6 5 4 3 2 1 38&40&41mm 42&44&45mm. Minimalist design the clean aesthetic of the carbon fiber watch band is an essential addition to any for apple watch. Brand: LEIXIUER Size: [38mm 40mm 41mm]