Specifications: As a result of pursuing beautiful embroidery finish,high durability for keeping the beauty long,and stable embroidering property,we have successfully developed an innovative polyester machine embroidery thread.To implement the embroidery thread with the above features,we use our original advanced technology,and specially designed polyester high-multifilament,which provides high strength,low shrinking property,and elongation suitable for embroidery,and is soft to the touch.The high-tech embroidery thread ,"KING STAR" is superior in luster to rayon thread,rich in color,and soft to the touch because of its high loft. *Caution. Please do not use it for clothes which directly touch our skin,when you use GOLD or SILVER thread.Moreover,please do not bring it close to the sulfide such as rubber products. Don't use the thread for babies aged less than 24 months.(because it contains some amount of formalin).