S.C. Code Ann. § 39-1-50: Certain unsolicited merchandise received through mails deemed gift to recipient.

Any unsolicited merchandise, except stolen merchandise, received through the mails, shall be deemed an absolute gift and the addressee-recipient may retain and use such merchandise without any liability for payment. The provisions of this section shall not apply to ordered merchandise deemed unsatisfactory by the addressee-recipient for any reason or to merchandise received by him by mistake or misdelivery.