Bags are something we carry most of the day, we are all familiar with that. But speaking of EVA bag, you may wonder what is EVA. It is time to learn more about it. EVA is short for ethylene vinyl acetate. EVA is a material that has rubber elasticity at normal temperatures and can melt and flow at high temperatures. The distinction is not attractive enough, you may ask, why are you using EVA to make bags? The answer is the feature of EVA material.