Swordfish's LineOut Ruler Eraser is colourful, resourceful and versatile - everything you need! The 2-in-1 Ruler Eraser cleverly combines essential desktop stationery, leaving you with a unique stylish finished product. The 5cm LineOut comes with a centimeter/millimeter measurement guide and an eraser which can be easily retracted - an ideal combination for all you measuring and erasing needs. The long eraser can be used like a pen, making it easy and comfortable to use. Once you're done, slide the eraser back into the ruler - it couldn't be easier! The Swordfish Ruler Eraser comes in either pink and purple or blue and green - unfortunately it is not possible to specify which colour you will receive. No harmful chemicals are used during the manufacturing process, ensuring Swordfish non-toxic and latex free erasers are safe for all ages and are completely PVC and Phthalate Free.