Made of food grade wheat straw and PP material, durable, safe and healthy to use. The lunch box is allowed to reheat in microwave oven within 3 minutes Please remove the lid when microwave. Packaging: Individual OPP bag Material: Wheat Straw Dimension: 19cm x 12cm x 7cm Color(s): Beige Carton Packing: 73.00 cm x 43.00 cm x 32.00 cm Qty Per Carton: 40 Carton Weight: 9.00 kg