Clear PP box is a plastic container made of food-grade PP raw materials for the convenience of food preservation, packaging and heating. It is a household plastic product that is ubiquitous in our daily life and an indispensable plastic container in household food storage. Different shapes store different things and are more convenient to use. In addition to the common squares, rectangles, and circles, there are also suits designed for picnics, which make life easier and more convenient. http://www.hengdingpackaging.com/clear-pp-box/