[2 packs of plastic rulers] The size of the ruler is 31x3x0.2 cm (length x width x height), and the measuring range is 12 inches/30 cm. [Double-sided measuring ruler] Double-sided measuring ruler, the centimeter scale is on one side of the ruler, and the inch scale is on the other side. It is convenient to change the size when measuring, and meet your measurement needs. [Sturdy and ] The ruler is made of high-quality plastic, sturdy and , and easy to use. It is a relatively good measuring tool. [Clear Ruler] The numbers on the ruler clearly visible, and will not block of sight when in use, making the measurement easier and more accurate. [Wide application] Plastic rulers are widely used in life, suitable for schools, offices, homes, etc., and are also useful measuring tools for artists, designers, architects, engineers, and students. Colour: transparent Material: plastic Package Contents: 2 * Ruler Only the above package content, other products are not included. Note: Light 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.