Customer Service?HITZEE samsung galaxy watch 6 bands/galaxy watch 5 bands/galaxy watch 4 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 6.9"-9.1" (175mm - 230mm) wrist, flexible and convenient; closing fitting the wrist, comfortable to wear. Perfectly fit for sport (eg: run, ride, workout, climb, hike, camping, travel) and more outdoor activities. Unique Magnetic Silicone Clasp?Upgraded strongly magnetic watch band, can be closed at any time, fits perfectly, providing you with a soft and comfortable wearing experience. Unique magnetic closure system that allows to put on or take off your silicone watch band in seconds, convenient and fast. Safe & Gapless Design?HITZEE 20mm band for Samsung Galaxy Watch 6/Watch 6 Classic/Watch 5/Watch 5 Pro/Watch 4/Watch 4 Classic has a new arc design, precisely cut with your samsung watch for seamless connection and offer the high-end look; The silicone magnetic watch band comes with quick release pins which can be accurately and firmly locks onto your samsung galaxy watch without tools. Band Design for Samsung Glalaxy Watch 4/5/6?HITZEE 20mm sport replacement wristband compatible with Samsung Galaxy Watch 6 40mm 44mm/Galaxy Watch 6 Classic 43mm 47mm/Galaxy Watch 5 40mm 44mm/Galaxy Watch 5 Pro 45mm/Galaxy Watch 4 40mm 44mm/Galaxy Watch 4 Classic 42mm 46mm Only. (Note: No Watch Included).