1. Compatible models: Straps are compatible with 20mm/22mm/18mm width watch lugs. (Please confirm your watch lug width before . Detailed compatible models can be found on the product page below to choose your favorite products.) 2. Easy length adjustment: The watch strap features a strong magic strap design, allowing easy length adjustment to ensure a secure fit on your wrist. No need to worry about it being too loose or tight. Band size range (including 40mm watch case): 180mm to 230mm, suitable for wrist sizes from 7.02' to 8.97'. 3. Comfortable nylon strap material: Durable, lightweight, and comfortable to wear, it won't irritate your skin and provides allday comfort. The lightweight material reduces pressure without restricting movement or fitness activities. for yearround wear. 4. Quickdrying and easy to clean: These watch straps are lightweight and dry quickly even when wet. During workouts, the strap keeps your watch snug against your wrist for more accurate training stats. No skin irritation even when sweating.