Brand New UNOPENED Box Nylon Watch Band for apple watch compatible with various Apple Watches including Apple Watches. Ultra 1/2 (49mm), Series 10 (42mm/46mm), Apple Watch SE 1/2 & Series 6/5/4 (40mm/44mm), Series 9/8/7 (41mm/45mm), Series 3/2/1 (38mm/42mm). Please check the model on the back of your watch to ensure the right fit before you purchase this apple watch band. Secure Adjustable Parachute Buckle Design: This Apple Watch Ultra band is designed specifically for sport, featuring a lightweight parachute buckle that is adjustable, ensuring a secure and easy-to-wear fit. The top clasp allows for effortless opening and closing of the band, while the buckle at the bottom provides easy length adjustment. It ensures optimal stability, preventing the strap from slipping or loosening during everyday wear. Breathable Double-layer Wave Pattern Design: This Apple Watch band for Apple Watch Series 10 features a unique double-layer structure that conforms better to human movement habits. The exterior layer is made of nylon with a wave pattern, providing enhanced breathability, softness, and durability. The interior layer utilizes a fabric material that effectively absorbs sweat. Easy to fit: The Nylon Sport Apple Watch Band is fit for the wrist from 5.5“- 8.2" (140mm-210mm), which locks onto your watch interface precisely and securely. Compared to the traditional adhesive method used in nylon sports watch bands, this watch band can provide a more secure fit. Make me an offer!