Please use street address instead of PO BOX address. Our product comes with a one-year warranty. If you encounter any issues — including accessories, replacement parts, or repair suggestions — we guarantee a response within 39 hours. | Flybird | | 55LB Adjustable Dumbbell, 5-in-1 Fast Adjust Weights with Anti-Slip Handle for Home Gym Workout | 55LB pair | Best Buy