... approval 2,Fresh design with good quality 3,Food-grade material 4,Promotion project Details:Heat resistant students lunch box with food safe ... : 80 PCSGW/NW: 10.5/8.7kgsCompetitive Advantages:Well and High Quality Control , Prompt Delivery , New Product , Customer's Design and Logo ... Products , In a Variety of Design , ODM Accepted , OEM Accepted Heat resistant lunch box for students