Biofreeze Topical Pain Relief 5% Strength Menthol Patch 4 per Box - 24 Count CaseTopical Pain Relief Biofreeze 5% Strength Menthol Patch 4 per Box Biofreeze Overnight Relief Patches with menthol topical analgesic are designed to provide up to 8 hours of long lasting pain relief. Cooling menthol formula delivers long lasting and penetrating pain relief for minor aches and pains of muscles and joints associated with simple backache, arthritis, strains, bruises and sprains. Optimized for comfort and flexibility, the patches stay on