high quality WHAT IS IT MADE OF? Your Castor Oil Pack for Liver is made of an inner layer of soft organic cotton flannel, an outer less-mess layer of polypropylene that is heat-bonded (a cleaner alternative to chemical-bonding) to a middle layer of organic cotton flannel, and four 30 stretchy nylon straps that can wrap around and secure your pack in place.HOW DO CASTOR OIL PACKS WORK? Castor Oil Pack for liver helps you feel relaxed and energetically balanced while also supporting firm and hydrated skin.WILL IT FIT ME? The compress is designed to fit over the average adult abdominal/torso area, fitting most bodies with its long, soft straps that hug your curves so you can comfortably sleep or go about your daily activities in it.HOW DO I USE IT? Apply 1 tbsp of Organic Golden Castor Oil (sold separately) to the soft cotton side of the pack, then place it over the side of your liver area under your right rib cage and tie it in place. Wear for 1 hour daily or overnight.WHY DO I WANT ORGANIC MATERIALS? Castor Oil is the ultimate carrier oil and because Castor Oil Packs are designed to sit directly on your skin, its best to use natural materials that are free of synthetic fibers, chemicals, bleach and artificial colors.