Product Material: Plastic Size: Appearance size - approximately 13 cm long x 10.5 cm wide x 2.5 cm high. Inner lattice size of the coil --- approximately 2.2cm long X 1.3cm wide Color: transparent Quantity: 1 piece Package Contents: 1 * 25 grid transparent coil box 1. PERFECT DESIGN The sewing machine bobbins made of high-quality plastic (polycarbonate) are manufactured in such a way that each runs perfectly straight. Because there is no bulge, the bobbins sit exceptionally well on the sewing machine and prevent unnecessary noise. 2. IDEAL ROUNDINGS When making the bobbins, care is taken to ensure that they are all cast. This way you can be guaranteed that the bobbins have ideal curves. So we can assure you that your thread will always remain intact. 3. OPTIMAL SIZE Appearance size - approx 13 cm long x 10.5 cm wide x 2.5 cm high. Inner lattice size of the coil --- approx 2.2cm long X 1.3cm wide.Color: transparent. A quick look at the operating instructions is enough and you know whether the bobbins are suitable for you. 4. BEAUTIFUL SPOOL BOX The handy storage box offers space for 25 spools. So the bobbins for the sewing machine can be conveniently stowed away. It doesnt matter whether the bobbins are empty or full. Each box is designed to close completely. Thus every coil of is a wonderful experience.