These well-designed therapy packs will give you the relief you need. Designed with your well-being in mind, the therapy pack will offer natural relief for general body pain and itโ€™s made of 100% cotton and linen fibers and filled with unscented lentils. Drape our neck wraps around your neck and shoulders to melt away stress. Lay the migraine mask over your eyes to help manage the symptoms of headaches and migraines. Created to be used warm or cold, they can be used in a variety of ways to promote feelings of relief and relaxation to promote healing and overall wellness. To use cold, simply store your neck wrap in your freezer until ready to use. For heat therapy, place your therapy pack in the microwave and heat up in 30 second increments until your pack has reached your desired temperature.