Thuasne Argicalm Heat Pad Wrist Elbow Face is a reusable pad based on natural clay for pain relief. Cold Use: Sprains, strains, tendonitis, migraines, eye pain, toothache, bruises, arthritis. Hot application: muscle and joint tension/stiffness, spasms. This ergonomically designed pillow is easily adjustable and feels comfortable. Dimensions: 190 x 110mm. Read the instructions for use.