lunch box features: 1. material: PS, OPS 2. Base: 271*211*40, ... .5 mm 3. the best container for pack food. Lunch box , lunch containers , plastic container ,disposable food containers, food packaging ... ,disposable food containers Features: 1) Material: OPS, PS ( food grade material )2) Thickness ... to FDA regulationsQty / ctn: 300 sets/ctn lunch box (J-8306)