Queen of the Thrones Pelvis and Hips Castor Oil PackInner layer: 100% organic cotton Outer layer: 100% polypropylene Straps: 100% nylon Step 1: Pour 1 tbsp of Organic Castor Oil (sold separately) onto the soft cotton side of your pack in the centre, avoiding the seams. Step 2: Place your pack over your pelvic area and tie it in place. Thats it! Wear your Castor Oil Pack for a minimum of 1 hour or overnight. Will it fit me? This pack is made to fit over the adult pelvic area, and it fits most bodies