The basics Organize your needlework supplies in the ArtBin Sew-Lutions Bobbin & Supply Box.  The benefits Designed for compact storage, this box features four compartments that are ideal for storing small supplies.  The features The compartments have removable dividers for multipurpose storage. This storage box also features a removable bobbin tray with a magnetic strip for pins and needles.  The bottom line Spacious and smartly designed, this tray holds up to 30 plastic and metal bobbins and has secure clasps for fool-proof closure. 1.63 x 10.88 x 7.25 inches.