... 3. MATERIAL :PP 4.Litre:68L Feature1, Eco-friendly and healthy, the material we adopted mostly are Food-Grade PP ... acid, alkali, corrosion resistance.3, One-piece plastic structure, tough and durable, can withstand all kinds of external shocks.4, In particular ... to strengthen the bottom barrel, easy to collapse, deformation and wear, extend product life. More professional service 1, Allowed ...