Made of 100% Organic cotton that is extra soft on the skin and hypoallergenic for the most sensitive skin types.The castor oil pack must be tightly woven to ensure the castor oil absorbs into your skin, not only the castor oil pack. This material is tightly weaved so you can see the greatest results from your castor oil pack. Waist and Neck Set: Castor Oil Pack Kit includes one Castor Oil Pack Wrap for the neck and one for the waist. You can relax the waist and neck at the same time, promote blood circulation, reduce inflammation, and save time and efficiency. Adjustable Design: Unlike button belts, our castor oil pack wrap is designed with hook and loop tape, you can freely adjust the belt according to your waistline, more adjustable and more convenient to operate. BETTER CASTOR OIL PACK KIT ABSORPTION: Your castor oil pack comes with an adjustable strap to ensure the perfect fit and comfort for everybody. This castor oil pack for liver is an amazing way to help detox your liver and entire body. PREMIUM MATERIALOur Castor Oil Pack for Thyroid is made of two inner layers of soft bamboo cotton, an outer layer of PUL, Plush and skin-friendly straps that can wrap around and keep your pack in place.Castor Oil Pack for Thyroid with Curved design is great for your neck.