Easy to store: Our sewing machine metal spools are packed in a plastic transparent box, and each spool is placed in a separate position, which is very neat, easy to store and access,dust-proof and loss-proof. Perfect material: Spool made of high quality metal, durable , practical, reusable. Exquisite workmanship: The surface and edges of the spool are polished so that the smooth surface and edges will not cut the line, and will not scratch your fingers or skin. Reliable and reliable quality. Bobbin specifications: height 1cm, diameter 2cm, inner diameter 0.7cm Wide Application:The standard size to fit most home embroidery and sewing machines.It is a perfect gift for grandma, mother, wife, sewing lovers, sewing beginners. Colour:silver Material:Metal Package Contents: 25 x Bobbins 1 x case Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.