Fit Guarantee Free Teeth Exchange This guarantee applies to initial purchases only. Proof of purchase is required for all exchanges, which must be requested within 30 days of purchase. Teeth must be returned in their original condition. The customer is responsible for return shipping costs to return teeth  but I will cover the shipping cost for exchanged teeth. Only ONE free exchange per customer . This offer is not valid with other promotions or discounts. The company reserves the right to deny exchange if the product shows signs of misuse or damage . Please allow up to 14 days for the processing of exchanges .