Wherein, the paper angle protector and the paper pad are made from recycled paper (vellum or newspaper or/and yellow plate), wooden slurry plate, waterproof agent, and oil-proof agent.

• 纸护角、纸垫片是采用回收纸原料(牛皮纸或牛皮纸加报纸或/和黄板纸)、木浆板、防水剂、防油剂几种材料制成的纸制品。