Come and see our amazing products. Made of thick neoprene material which is environmental. Stretchy material allows the soft lunch bag to expand to fit a variety of containers or foods.Neoprene is also widely used in wetsuit for keeping one's temperature,so it can keep food warm or cold for several hours.This lunch kit with a flat bottom to make food containers and bottles sit upright,so you don't need to worry that the soup or drink will spill out.Soft grip handles always make your fingers comfortable,you can enjoy delicious food any time and any place.Z-shaped stitching made the insulated bag extremely sturdy and durable. The premium zipper ensures you to open and close the lunch bag smoothly even it's stretched to maximum capacity Pls confirm with us about the packing info, stock color and exact production time before placing your order.