These Feminine Heat Pads provide effective relief for backache, stomach cramps and period pains. Applied directly to your skin, they give targeted heat therapy, meaning they can also be used for muscular aches and pains, strains and sprains and joint stiffness. They're also fragrance free, non-medicinal, discreet and thin so you can wear them while you're out and about. Ingredients - iron powder, water, vermiculite, activated carbon, salt. Warning: Keep out of reach of children. Always read the instructions before use - heat pads can cause burns at low temperatures if misused.