Made with Fuwara's six-layer gauze and rabbit boa (polyester). It's designed to be fastened by threading through the fluffy heart. Size: 80 x 14 cm Care Instructions: Gauze is a delicate fabric, so please hand wash or put it in a net and shape it before drying. About the Fabric: The black specks visible in the fabric are originally components of the cotton plant and are not harmful substances. No chemical agents such as starch or softeners are added during the finishing process of the product, so it can be used with peace of mind even by those with sensitive skin.