DescriptionThis is a measuring tool for rings. Just push one side through thebuckle to form a ring. Slide the ring gauge onto the finger and adjustit till you feel comfortable. Check if it has just slipped through theknuckle. When it gets the best fit, read the size indicated by thearrow.Features- Color: Black, White. - Material: Plastic. - Size: About 11.60X0.70X0.30cm/ 4.56X0.28X0.12inch. - Premium material, no odor emitted, safe to human health.- Clear structure design, easy to measure and mark.- Clear and plain number display, easy to use and read.- Suitable for wedding, birthday, party gift jewelry measurement.- An excellent and practical assistant for your ring measurement.