Microwave-safe with lid on, easy-to-use pack, square, set of 2 (large and small) 600ml x 1, 180ml x 1 K's Denki Original Chibi Maruko-chan Instant purchase OK ☆ Heat resistance: 140°C, Cold resistance: -20°C ☆ Large: 600ml x 1, 12.5 x 18.5 x 5.7 cm, Full capacity 770ml, Capacity with lid on 600ml Small: 180ml x 1, 6.6 x 13 x 4.3 cm, Full capacity 250ml, Capacity with lid on 180ml