This ring sizer measuring tool is 4.5 x 0.3 x 0.2 inches and measures US sizes 1 to 17, suitable for accurate finger sizing. The built-in magnifying glass allows easy and precise reading of the scale, making it user-friendly for all ages, including seniors. Made from flexible and durable material, the printed scale is long-lasting and resistant to wear, ensuring reliable measurements over time. Simply slide the end of the band through the buckle to create a loop, place it on the finger, adjust for a snug fit, and read the size using the built-in magnifier. This ring sizer measures 4.5 x 0.3 x 0.2 inches and fits US finger sizes 1 to 17. It includes a built-in magnifier for easy and accurate reading, suitable for users of all ages, including seniors. Made from flexible and durable material, the printed scale is long-lasting and resistant to wear. To use, slide the end of the band through the buckle to form a loop, place it on the finger, adjust for a comfortable fit, and read the size through the magnifier.