Curved neck makes it easy to apply & reach even the most difficult parts of your body Penetrates quickly and effectively, improves blood circulation and relieves pains 82ml shoulder stiffness, muscle stiffness, muscular pain, muscular fatigue, muscle strains, low back pain, joint pain, bruises, sprains application 1pcs shoulder stiffness, muscle stiffness, muscular pain, muscular fatigue, muscle strains, low back pain, joint pain, bruises, sprains application 1pcs