A ruler may not seem like much, but when you are a craftier and a scrapbook-er you need them all the time. Being bendable, it can warp around almost every thing for an accurate measurement. It functions and works like a champ and you can stow it anywhere!
They have cm and inches on each side, which is very helpful. They are well made, not flimsy or thin. They do retain a curve if not stored flat, but it flattens back out after a bit.