The idea of "origami" foldable card hook is like a name card designed for space saving and easy to carry everywhere such as hotels, houses, and offices and even in cars or ships. It's only a piece of paper that becomes a hook. It's different from traditional hooks made of metal, plastic, wood and other materials. Card hook is made of recyclable plastic and paper to be ecological. After using, you throw it away! The card hook like a memo card used everywhere. The loading of card hook is about 1Kg for most of coat, hat, belt and objects. An idea of adhesive designed on the back of hook is easy to be installed on wall or any flat surface without any screw or glue.