You can enjoy a warm lunch even in winter. I purchased this 6 years ago and used it a couple of times, then stored it away. I have washed it before shipping, just in case. Please consider purchasing, understanding that this is a used item. Size: Φ11.3 x 14.8cm Material: Insulated case/Stainless steel (acrylic resin coating), Rice container lid/PP (inner material/foamed PP insulation material), Insulated case lid, ring, container body (rice/side dish)/PP, Side dish container lid/Silicone rubber Country of origin: China Capacity: Rice/side dish/300ml ● Simple insulated lunch box that combines portability and heat retention ● Easy to pack, eat, and wash ● Bottle shape, easy to carry, one-piece design ● Microwave and dishwasher safe ● Comes with chopsticks & spoon