Size is approx. 17.6×8.3x8cm(lunch box), 15cm(chopsticks)- Capacity: 225g- Material: AS resin(lid, chopsticks), polypropylene(lunch box, Partition), EVA resin(seal lid), ABS resin(stopper), silicone(packing )- Heat-resistant temperature: Main unit/Partition/Packing 140 degrees, Lid/Stopper/Chopsticks 80 degrees, Seal lid 60 degrees Cold-resistant temperature: -20 degrees – Made in Japan- Microwave, Dishwasher safe