DescriptionKeep your both neck or belly warm in cold weather.Relieve stress and improve the circulation.Also can use it as a pillow.No matter you lay on the sofa or sleep,it gives you warmest feeling any time.Features- Color: Grey. - Material: Rubber, Acrylic fiber. - Size: 36.50X31.00X4.00cm/14.34X12.18X1.57inch. - It has a beautiful cover, which gives you a comfortable and intimacy, and it feels gentle even close to the skin. - It uses high-quality fabrics, skin-friendly and delicate, smooth to the touch, allowing you to feel warm in cold winter days. - This shape provides greater coverage, so more parts of your body can be kept warm at the same time. - It is both hot and cold. In summer, you can place cold water in a hot water bottle to turn it into an ice pack to quickly cool down to meet your various needs. - The material is made of healthy rubber, long-lasting heat preservation, and very convenient.