Practical sewing bobbins kit, which includes 15 mixed colors bobbins, 5 white bobbins, 5 black bobbins and other sewing tools, is a perfect gift for sewing enthusiasts! Features: Perfect sewing bobbins kit, 15 mixed colors bobbins + 5 white bobbins + 5 black bobbins. Suitable for both hand stitching and machine sewing. Standard size fits most sewing machines, for Brother, Janome, Kenmore, Singer, etc. Polyester thread with good toughness, not easy to break. Other necessary tools are included: a measuring tape, a needle threader, 5 sewing needles and 8 buttons. With a plastic storage case for easy storage. Specifications: Material:plastic + metal + Polyester Color: mixed colors, black, white Bobbin Size: 2 * 1cm / 0.8 * 0.4in (D * H) Bobbin Inner Diameter: 0.6cm / 0.2in Measuring Tape Length: 64cm / 25in Storage Case Size: 12 * 11 * 2.5cm / 4.7 * 4.3 * 1in Package Size: 12 * 11 * 2.5cm / 4.7 * 4.3 * 1in Package Weight: 176g / 6.2oz Package List: 25 * Bobbin with Thread 1 * Measuring Tape 8 * Button 5 * Needle 1 * Needle Threader 1 * Storage Case