✓ Customer Service: HITZEE smartwatch bands have one year warranty; Unconditionally replacement or full refund if defective or any quality problems. Contact us if you need help: Log in your account > choose "Your orders" > "find the order ID"> click "Contact seller". ✓ Fit Size & Applicable Scene: Fit 6.7"-8.5" (170mm - 217mm) wrist, flexible and convenient; Comfortable to wear. Perfectly fit for endurance sports(eg: outdoor adventures, hiking, mountaineering) and more outdoor activities. ✓ Powerful Magnetic Closure System: This double sided wearable silicone magnetic sport band is designed with strong magnetic and safe buckle, which can closes securely and quickly. With the cooperation of the strong magnetic and the safe buckle, this sport watch band can play a double protection role for your watch to prevent your smart watch from falling. ✓ Innovative Design: This silicone magnetic men / women replacement wristbands compatible with Apple Watch adopts double sided wearable design. The two -color strap makes your smart watch look more unique. One watch strap has three different color matching. You can change the color matching of the strap at any time according to the needs of different occasions. ✓ Compatible for iWatch Band: HITZEE double sided wearable silicone magnetic replacement bands is compatible with Apple Watch band 41mm 40mm 38mm all models, including: SE (2022) / SE (2020) / Series 9 / Series 8 / Series 7 / Series 6 / Series 5 / Series 4 / Series 3 / Series 2 / Series 1. (Note: No Watch Included).