We understand the importance of proper packing.  That's why we want you to take enough boxes to protect all your possessions without needing to make multiple trips back to the U-Haul store. At U-Haul, we'll gladly refund the full purchase price of any unused box you return to us. We guarantee 100% buy-back of any unused U-Haul boxes, with receipt, at any U-Haul center location nationwide.