Made of paper material, durable and can be used for a longtime. The spool design makes it also suitable for DIY use. Useful for holding threads, twines, bobbins, cords, wires and essential for model making, collages and beading crafts. Features - -Material:Paper - Size: 10.00X10.00X4.00cm/3.93X3.93X1.57in -Made from wear resistant materials, it is a for you. Strong and durable, ensuring use. -Simple and practical design, durable and safe, and easy to use. Compatible with various sewing machine models. -Delicate appearance design, it can be applied to sewing work easily. Convenient for your sewing projects. -If you are a sewing crafts liker, the sewing machine bobbins will be a necessity for you. -Bobbin molding, fine workmanship, than the traditional metal bobbin in the work of more smooth rotation. Package list: 10 x Spools