1、Made of plastic material, light weight 2、Hold different colors of thread, convenient to store 3、Could store 25 machine bobbins at most 4、Transparent and clear to see inside objects 5、Flap type cover design, easy to open and close Description: This box can store bobbins of industrial sewing machine, household sewing machine, not suitable to store big bobbins of special machine. It can store 25 bobbins and you can clearly see the content inside because of the transparent plastic material. Features: Made of plastic material, light weight. Hold different colors of thread, convenient to store. Could store 25 machine bobbins at most. Transparent and clear to see inside objects. Flap type cover design, easy to open and close. Specifications: Material: Plastic Outer Size: 12 x 9.9 x 2.6cm / 4.72 x 3.86 x 1.02" Inner Cell Size: 2.2 x 1.3cm / 0.86 x 0.51" Quantity: 1 Weight: 61g(approx.) Package Includes: 1 x Bobbin Box Note: Please allow 1-3mm error due to manual measurement. Thanks for your understanding.