Description Coralite  extra strength muscle and joint pain relief patch. Camphor 1.2% (topical analgesic) Menthol 5.7% (topical analgesic) Methyl Salicylate  6.3 %  (topical analgesic) Simple backache Strains Bruises Arthritis Sprains 2 patches 4.88 in x 3.31 in (12.4 cm x 8.4 cm)