●Made of durable, lightweight and practical transparent PP Plastics. ●Contain 200 PCS of bobbins and 1 Pack of floss winder. ●Size of Floss Bobbin: 1.5" in length and 1.4" in width ●Size of Floss Winder: 3.5" ●This floss bobbin winder is hand crank operation, easy and fast to accelerating winding thread.