and 1.PRACTICAL SET. This clear acrylic ruler comes with accurate scales, three types for you to choose. Simple and practical. 2.PORTABLE AND . premium acrylic , , lightweight and reusable. 3.CLEAR AND ACCURATE SCALES. Translucent color allows for a of numbers and letters on the page, unnecessary eye strain. With the clear and accurate mathematics ruler, you can measure an object easily. Package includes: 1 Piece Straight Ruler