Offer Valid: 10/1/12 - 6/30/13 Buy any 6 boxes of Solo Diamonds (excludes spiral shapes), Get 1 Box Free! Or Buy 20 boxes of Solo Diamonds (excludes spiral shapes), Get 5 boxes Free! To receive your free good, please send a copy of your Patterson invoice to Premier Redemption Center, P.O. Box 640, Plymouth Meeting, PA 19462-0640 or fax to 888-627-6160. Email; Redemption@premusa.com. Indicate free goods of equal or lesser value. Invoice must be received by 7/15/13. May not be combined with any other offer(s).