Microwavable Single Compartment Block Bento Box with Cooling Gel Pack, Blue This bento set comes with one compartment for your food, an inner plastic lid, a cool pack that sits on top of the inner lid, a cover and an elastic bad to keep it all together. Dishwasher and microwave safe (*excluding inner plastic lid and elastic band). By Prime Nakamura Made in Japan; Perfectly sized for bringing lunch or fruits to school or the office Measures 4-1/2 inches long by 3 inches wide by 2-1/4 inches high