1. Easy to adjust the length to fit your wrist. 2. Fashion design, simple, durable and elegant. 3. Dirt resistant and easy to clean, looks like new after a long-time using. 4. Compatibility with Apple watch band resin strap works with all kinds of apple watch series 4/3/2/1. 5. Size: Short band 80mm; long band 120mm Easy to take off and on: With a fold-over clasp makes the bracelets super easy to take off and take on.