You can steam rice with grade 5 plastic. Grade 5 plastic is a plastic box that can be put into a microwave oven. It can withstand the high temperature of 130℃, with no toxicity and poor transparency. It can be reused after thorough cleaning.

Plastics * * * are divided into seven categories, which are in turn PET/HDPE/PVC/LDPE/PP/PS/ Other according to the classification code.

Grade 5 plastic logo is shown in the figure below, and the logo will be engraved on the plastic box.