Come and see our amazing products. 3 stackable bento lunch box is made from food grade safe PP (outer) and durable 304 stainless steel (inner), Size is L:5.9''(15cm)H:7.67''(19.5cm).Doesn't retain flavors or scents, Vent holes on the silicone fresh-keeping cover,The vent hole can let the food in box to be better sealed and it comes with a stackable design, The two container trays are both equipped with a leak-proof sealing lid, spills or smells in your bag, as well as keeping food fresh and tasty. It can be used for hot food such as soup, fried rice, etc which will keep warm for 1-2 hours or cold food with the insulated lunch bag can keep for 2-3 hours such as salad, pasta, fruit, etc. Pls confirm with us about the packing info, stock color and exact production time before placing your order.