Serious needle crafters and embroidery aficionados will love this pack of 1,000 plastic bobbins. Keep all those embroidery thread colors organized and ready to go. It will take you quite a while to run out of these. 1-9/16-inch long, with a 1-inch wrapping area. Rubber banded in groups of 25. Pre-cut with slits to hold thread. Perforated hole on one end.