The fabric has a cool texture. It features a comfortable hug with moderate elasticity and a sense of security.　Made of nylon that has a cool sensation to the touch. This item is perfect for these days when people are calling for power saving.The filling is a blend of two types of cotton with different fiber thicknesses to create a soft and chewy texture. The side fabric is made from a mixture of polyester and elastic polyurethane to create a soft, stretchy fabric that can be worn without sacrificing the chewy feel of the inside.