The CAREFREE® Promise. Try CAREFREE® products for 21 days. If you’re not satisfied, we will replace or refund your purchase. Just send your original cash register receipt with the purchase price circled, the original UPC symbol from the package, your name, address, and daytime telephone number to The CAREFREE® Promise, U.S.A.: P.O. Box 49243 Strongsville, OH 44149-0243.