Red heart shaped shopping bag has developed rapidly in recent years, using the range more and more widely, and extends out of the many products, red heart shaped shopping bag is mainly used as machine smock. Red heart shaped shopping bag is made of high polymer of, this polymer, commonly known as synthetic resin, it is by a viscous liquid or heating to soften the solid, when heated, usually have a melting or softening temperature range, in under the action of external force can be in a state of plastic flow, some properties of natural resin similar to a red heart shaped shopping bag materials.