Features: 33/66 grids bobbin storage box, large enough for daily use. Practical bobbin case is easy to open and close. 33 grids size: about 10x17cm/3.94x6.69in, 66 grids size: about 17x20.5 centimetres/6.69x8.07in, convenient dinner to take your sewing bobbin set. Perfect for home craft area, workshops, or gatherings, keeping your bobbins neatly stored and easily accessible. A perfect gift for your friend, families, colleague in christmas day, and so on. Specifications: Component: Plastic 33 Grids Size: about 10x17cm/3.94x6.69'' 66 Grids Size: about 17x20.5 centimetres/6.69x8.07'' Type: 2 Kinds Optional Package Includes: 1 Pc Bobbin Storage Case note: Please allow 1-3cm errors due to manual measurement. Due to difference betweeen different monitors,the picture may not reflect the actual color the item.