LEONIS 30 Colors Extremely Strong & Much Thicker, Button & Craft Sewing Thread Kit [ 93007 ] Thread(Polyester 100%), Needle(Nickel plated copper wire), Needle case(Vinyl), Needle threader(Aluminum), Safety pin(Steel), Button(Polyester), Case(Vinyl). 128 extra-strong and extra-thick sewing threads in 30 beautiful colours Each thread is 80cm long and approx. 3 times stronger than regular sewing threads Ideal for regular materials or heavy materials like jeans, curtains, or carpets Includes a reusable case, needles, buttons, safety pins and a threader Made in Japan, Produced by Leonis Japan