150PCS Plastic Floss Bobbins Thread Cards Storage for Bobbins Winder Sewing Machines Cross Stitch Embroidery Floss Organizer Box 

The bobbins are made using plastic of the best quality so they don't break, crack or warp. The thread bobbins set comes with a floss bobbin winder, hand crank operation, easy and fast accelerating winding thread. Unique Design: There are two thread clips on each white bobbins board to keep the end of the line stuck, and you also can label these with a marker pen for easy reference. Specifications: Material: plastic. Size: string winder: 9.2*2.5cm, floss bobbin: 4*3.7cm. Color: white. Please allow slight dimension differences due to different manual measurements. Packing include 150 Pieces thread cards, 4 Pieces Floss Bobbin Rings, 1 piece bobbin winder,  The floss thread organizer keep all those sewing thread colors organized and convenient for classifying These floss bobbins are designed to keep threads neat and clean, no more messy loose threads around Material: The sturdy plastic of the bobbins is easy to handle and stronger than cardboard bobbins, The plastic lasts longer and can be reused over and over again Comes with floss bobbin winder: This floss bobbin winder is hand crank operation, easy and fast to accelerating winding thread