Display all threads for easy selection. Package:30pcs. Made of high quality flexible plastic,durable to use and long time to use. Fit for different sizes of metal or plastic bobbins.This Bobbin Stack Tower Organizer Sewing Tool Storage Holder could store 30 metal and plastic household bobbins at most. Tree shape bobbins organizer,It can store bobbins of industrial sewing machine and household sewing machine. Product description No more Tangles. Neatly organized 30 bobbins. Fit for any type of bobbins. Easy operation and convenient. Display all threads for easy selection. How to use: 1,Wrap loose thread ends around each bobbin. 2,slide bobbins into sections of each bobbin wheel. 3,stack wheels on bobbin stand. Package Including:1x Embroidery Bobbins Tower Storage