FOR TEMPORARY RELIEF OF MINOR ACHES & PAINS OF MUSCLES & JOINTS ASSOCIATED WITH: SIMPLE BACKACHE, ARTHRITIS, STRAINS, BRUISES, SPRAINS. PAIN RELIEVING OINTMENT ON A STRETCHABLE BREATHABLE CLOTH. PATCHES HAVE ROUNDED CORNERS. FOR USE ON SHOULDER, UPPER OR LOWER BACK. LASTS UP TO 8 HOURS. 3-15/16 X 5-1/2 INCHES. 6 STRETCHABLE PATCHES.