Buy Plastic Boxes Material:PP raw material Place of Origin:Hebei Handan, China Usage:Neatening/Storage Type:Storage Boxes Size:25.7cm脳16.5cm脳15.5cm /32cm脳20.5cm脳19.3cm/ Can be customized Color:Multi Color Function:Daily Necessities Packing:Carton Box Products Description: Plastics are mainly made of synthetic or natural polymer resins. After adding various additives, it has ductility at a certain temperature and pressure, and can fix its shape after cooling. The process in which natural or synthetic polymer resin molecules are in a molten state and the auxiliary molecules are evenly distributed around it is called plasticization. Having reached this process is called plasticization, but has not reached it, and is considered to have not been plasticized.Buy Plastic Boxes website:http://www.china-xiangshi.com/plastic-boxes/