We will provide 4"x4" or 6"x6" samples of current stock upon request. These samples will be sent via UPS ground at no charge. Also, other sized samples are available upon request at the normal charge. Customer will request free samples for one pc/set. 12"x12" sample set may be charged excluding one small piece of re-sample items. For any next day air or other service shipping cost will be C.O.D. at consignee's expense.