1, Lunch box 2, Keep foods fresh 3, Keep smells apart 4, ... can develop new products as the clients' requirements . Nowadays , plastic lunch box is widely used in daily life , there are variety ... ! DescriptionLunch boxMaterial PP , PS , PC , PE , ect.UsageSundriesCertificationFDA, ect.TypeStorage Boxes & BinsAdvantageHigh quality and inexpensive , Long using life , Prompt delivery ...