1、This set of floss bobbins is made of high-quality environmentally friendly plastics, one side is transparent, the other side is frosted, sturdy and durable, not easy to break, so it has a long service life. 2、There are two wire clips on each winding board to hold the end of the wire. You can also symbolize these wire clips with a marker for easy reference. 3、Usually, after embroidering a cross stitch, there will be some embroidery thread left. You can wind these scattered threads on the floss bobbin and save it in the wire box for next use. 4、This plastic floss bobbins can help you organize and untie the remaining threads, prevent them from being entangled, and conveniently sort them. 5、Winding board is used in cross stitch, DIY craft or other sewing work, making your work easier and more convenient. 300 x Transparent Wire Board12 x Silver Blunt Big Eye Needle 6.0 Item Type: Floss BobbinsWinding Board Product Material: Plastic Material, 1 Side is Transparent, the Other is Ground YarnFunction: Auxiliary Tool for Cross Stitch ProductionSize: Winding Board Length: Approx. 4cm / 1.6inWidth: Approx. 2.7 ~ 3.7cm / 1.1 ~ 1.5inThickness of Each Piece: Approx. 0.1cm / 0.04in