Package content：including 2 pack sewing thimble finger protector, 2 Size for you to use( Small size, 14-16mm diameter; Middle Size,16-18mm diameter) Note: it is not advisable to adjust the size frequently because the material is copper, This vintage metal open-sided copper thimble perfect for long fingernails, Wearing material: made of durable copper, durable and sturdy, not easy to rust and break, convenient for you to use, Wide applications: it can be applied for needlework, sewing, embroidery and so on, a good tool for dressmaker and mothers to protect their fingers well, Effective performance: there are a lot of dents on the surface, which usually wear on the middle finger, this adjustable thimble can protect the finger when the needle is over the cloth, and can exert force well to penetrate clothes