Pat. No. D508,331 & D503,283 quality guarantee If you are not 100% satisfied, return our product for a full refund. Paper napkins are not recommended for use in microwaves, conventional ovens or on stovetops. Follow precautions in microwave owner's manual. If fire starts, turn microwave off and leave door closed. Spills on your lap - covered! Office party - no problem! From formal dinners and tea time, to pools and patios, be ready for any event with these affordable super soft, party perfect napkins from Simply Done. ©TOPCO CWP916