Double-Sided Organization: The SINGER Thread Spool Organizer efficiently holds up to 32 thread spools in a double-sided storage container ensuring every spool is easily accessible. Easy Visibility: Designed with concave channels that allow spools to lay flat, easily spot your desired color through the transparent lid and keep the momentum of your project going. Flexible Organization: This sewing organizer accommodates up to a total of 20 large thread spools on both sides and an additional 12 small or European spools and bobbins on the outer edges of one side. Maximized Space: The thread box can be stacked vertically or lined up horizontally for maximized space. With a secure latch, you’re assured each spool stays in its place until the next use. Custom Categorization: A recessed label slot enables personalized organization, so you can sort by color, type, or project seamlessly.