Translucent clear acid-free polypropylene to easily view contents * This compact, translucent clear container easily organizes up to 30 sewing bobbins, or a number of other supplies * The permanent dividers make sure your supplies are securely in place and won"t migrate from one compartment to the othe * Keep your Bobbin Organized in these see thru poly boxes with foam liner to fit your machine bobbins snugly * Dimensions: 12x 10 x 3 CM