The spoon of the book is also burning grass. What size plastic is it?

The spoon of No.2 plastic book also burns grass. It is No.2 plastic, which is harmless to human body. Plastics are macromolecules polymerized from monomers through addition polymerization or polycondensation reaction, with moderate deformation resistance, which is between fiber and rubber, and is composed of synthetic resins, fillers, plasticizers, stabilizers, lubricants, pigments and other additives.