flowerpot material:LLDPE, food grade. Healthy and portable, firmly, anti-corrosion,anti-shock and anti-aging.ISO9001:2000. flowerpotmaterial:LLDPE, rolling once molding.FDA approved Food grade material .Healthy and portable, firmly, anti-corrosion,anti-shock and anti-aging , UV-resistence.performance:slippery surface,no dead angle, easy to clean and move. ISO9001-2000. rotational flowerpot