Large Back and Stomach Therapy Pillow by Solay Solay Large Back and Stomach Therapy Pillows are easy to heat and experience soothing hot therapy treatment with warm, moist heat that gets under your skin and works muscles and joints. Handcrafted in the USA using high quality natural cotton and filled with Himalayan Crystal salts. To Use: Heat in the oven at 175 degrees for 10-15 minutes or keep in the freezer and use as needed. Solay therapy pillow with removable, washable cover & drawstring cotton bag for easy travel. Dimensions: 16" x 8"