The Hemline Bobbin Box is an efficient storage solution that holds up to 25 spools of Class M bobbins, up to 1" in diameter. Sturdy plastic construction with reinforced hinges and latch ensures secure closure and protection for your bobbins. With dimensions of 7.5" x 3.75" x 1.2", the Bobbin Box is perfect for carrying and organizing your essential supplies. Bobbins not included.