... 4,OEM & DIY cardboard display 1.cardboard display specifications: 2.cardboard display advantages: environmental protectrecycled material. ... Compared with paper item moistureproof, corrosion.3.cardboard display applicatioin industries:I, Non-toxic, non-polluting ... -aging, corrosion resistance, moistureproof.II, applied to electronic, packing, machinery, light, postal, food, medicine, pesticide, home ...