Marna Marna Gokurei Frozen Rice Containers, Set of 2 ☆ I received these as a gift, but I'm selling them because I don't use them. ★ Due to shipping costs, I will disassemble them for shipping. The outer box will be folded and included. 【Microwave Heating Time Guide】 One serving (approx. 180g): Approx. 3 minutes 30 seconds at 500W Material: Polypropylene Heat resistance: Approx. 140°C Cold resistance: Approx. -20°C Capacity: Approx. 280mL (per container) Size: Approx. 121 x 46 x 121mm https://marna.jp/shop/g/gK745W/