Good 2 GoTM Moist Heat Pad Medium 9 x 12 Wheelchair Ramps liquid (milk) Underpads liquid (milk) Fits Women's size 8 Good2Go Medium 9 x 12 * Plush multi ply cover design focuses moist heat right where you need it most * Joint specific or multi use shapes for a snug secure fit * Portability convenience and economy in a reusable unit that will last for years * Patented non allergenic fill does not leak smell decay or encourage fungus growth * Fill has a special porous surface to trap the maximum amount of atmospheric moisture * Wide elastic strap holds heat snugly in place while you continue regular activities * Mitt is filled with two soft gel packs that can be heated or frozen as needed to surround your hand with either hot or cold therapy