Material: Body: Stainless steel; Vegetable Lid: Polyethylene; Main Body Lid: Vegetable Container: Rice Bowl: Polypropylene; Chopsticks: ABS; Chopsticks: Acrylic Product Size (W x D x H): Approx. 5.9 x 5.8 x 8.5 inches (15.0 x 14.7 x 21.4 cm) *This is a number not including the ladder box pouch and belt Capacity of rice that can be put into rice bowl (approx): 1.4 cups Capacity: Rice bowl, vegetable container, soup pack: 0.2 / 0.1 / 0.1 inches (0.61 / 0.34 / 0.27 L) Heat Retention Ability (6 hours): Above 149°F (69°C) The lid has a sturdy locking mechanism for a secure fit