Features: Pack of 5 thread winders. The size of winding board 3.15x3.15inch (8x8cm). Enough for daily use. Craft with quality acrylic. Clear thread yarn bobbins, lightweight, durable, designed to last. Great helper for you keeping the knitting yarn, waxed thread cord, sewing thread neatly in place, very convenient for your search. This set of acrylic yarn bobbins could be wrap around different yarn and thread to prevent them from getting tangles together and are simple and easy to sort. Perfect for keeping thread organised and untangles. Widely used for knitting, embroidery, crocheting, craft and sewing work to make your work easier and more convenient. Specifications: Color: Clear Component: Acrylic Size: Approximately. 8x8cm/3.15x3.15in Weight: Approximately. 50g Package Includes: 5Pieces Knitting Yarn Bobbin note: 1.Please allow 0-1cm error due to manual measurement. make sure you donot mind before bid. 2.Due to difference between different monitors, the picture may not reflect the actual color