The rugged Rugged Strap gives the Apple Watch a modern look and withstands any adventure. The watch strap is made of fluorocarbon rubber, a very flexible plastic that is particularly hard-wearing and resistant. In addition, the strap is water resistant. The custom-made lugs and buckles of the band are made of stainless steel. Since the bracelet has a very high-quality appearance, it is thus the perfect companion for any everyday and life situations. Grooves on the bottom of the band provide ventilation. -Rugged and modern bracelet for the Apple Watch -Watch strap is made of fluorocarbon rubber (FKM), a very flexible plastic -Extremely durable and resistant, Water resistant -High quality appearance -Custom stainless steel lugs and buckles -Compatible with 42/44 mm versions of Apple Watch Series 1, 2, 3, 4 and 5 -Fits wrists with circumferences from 150 to 210 millimeters -73 millimeters long on the buckle side and 129 millimeters long on the adjustable side.