Featuring an elastic 'slide on your wrist' style, this strap is crafted from a soft, lightweight, elasticated nylon Easy to adjust and incredibly comfortable, it's ideal for workouts, physical activities and day to day wear. Material: Elasticated Nylon Size: Fits 140mm - 254mm wrists (5.5" - 10") What Size Do I Need? If you look at the back of your watch, you'll see what model and size you have. Find your watch in the table below to check whether you need a 20mm or 22mm strap then simply choose the correct option from the drop down 20mm 22mm Galaxy Watch5 Pro (45mm) Galaxy Watch3 (45mm) Galaxy Watch5 (44mm & 40mm) Galaxy Watch (46mm) Galaxy Watch4 Classic (42mm & 46 mm) Gear S3 Frontier Galaxy Watch4 (40mm & 44mm) Gear S3 Classic Galaxy Watch3 (41mm) Galaxy Watch Active 2 (40mm & 44mm) Galaxy Watch Active (40mm) Galaxy Watch (42mm)