According to the market's demand for environmentally friendly paper food packaging, the new element company has developed #1, #2, #3, #5, #8 of five models. They correspond to different capacity size. Bamboo pulp paper material （Bamboo Paper Lunch Box）is made of PLA or water -based coating film. They guarantee that after the product is used, they can support the recycling and biodegradation of paper materials to prevent white pollution caused by the environment. get more information about food paper packaging, our website www.elementscup.com