Description This is a measuring tool for rings. Simply push the end through the buckle to form a ring shape. the ring gauge onto your finger. Adjust to give a comfortable fit, checking that it just slips back over the knuckle. When best fit is achieved, read off size indicated by the arrow. It measures for USA sizes. Features - Color: Black, white - Material: PE - Size: About11.50X0.50X0.30cm/4.52X0.20X0.12inch - The ring size measuring tool is in lightweight and portable, convenient for you to carry. - The finger size from size 1 to 17, accurate and clear printing, easy to read and helpful, not only as ring size gauge, but also for other jewelry measurement. - Fit for wedding, birthday, party gift jewelry measuring, help you to choose the comfortable size easily, good gift for you and your family, friends. - Reusable and practical, odorless and smooth surface, would not hurt your fingers. - Adopted from reliable PE material, it is durable and long lasting use.Package list: 12 x Ring Sizers