1. Choose the right size: Before buying, please measure your lug width correctly (in millimeters), it is very important to choose the right width of the strap for your watch. We provide 20mm 22mm nylon straps to meet your different size needs. Interchangeable straps are compatible with ordinary watches and smart watches that use standard spring bars. 2. PREMIUM MATERIAL: Tobfit replacement sport nylon watch band for women and men is made of Durable and Premium tighter woven nylon materials, which can prevent skin from irritation rash, it is soft, durable, breathable, washable, drying fast and comfortable to wear. A great alternative to silicone bands for daily workouts. Soft and comfortable feeling brings good time all day 3. PERSONALIZED DESIGN: The unique nylon weave dense hook-and-loop design let you can adjust the band size as you like. The nylon watch bands with reinforced to prevent smartwatch from falling. The lightweight material will not let your wrist have any burden even if you are exercising. Various popular colors are available for women and men, Looks more elegant. Makes Your Smart Watch Looks More Fashionable, Youthful. Best Choice of Any Occasions Like Travel, Work, Party 4. SECURE CONNECTOR: Quick Release design saves your time that makes it fast and simple to install and replace your nylon watch band. You may slide lever with finger to attach the strap to your watch, which lock onto the Smart watch interface precisely and securely. The stretchy elastic soft nylon wristband with a adjust clasp for quick and easy adjustment. And it will fit for 6"-8.3" (150mm-210mm) wrists which covers most of the population