【Instant purchase OK, no price reduction】 Rock 'n Serve, which can be used for everything from freezing and refrigerating to reheating in the microwave. 【Tupperware Rock 'n Serve Round #400 (refrigeration/freezing) Tupperware】 ・If you open the air valve, you can reheat food in the microwave or blanch vegetables while the seal is still on. ・The main body has a maximum fill line for food. ＜Rock 'n Serve 3-Step Cooking＞ ① "Boil in the microwave" Put the ingredients in, seal, open the air valve, and boil in the microwave. ② "Marinate/Mix" Take it out of the microwave, drain excess water, and add other ingredients and seasonings to marinate. ③ "Store" Once cooled, seal and put in the refrigerator to let the flavors meld while cooling. Length 18.6 x Height 5.3cm 400mL Leak-proof structure New. (The outer nylon bag is wrinkled) ※Please refrain from unauthorized use of product descriptions and images. Tupperware Tupper Tupperware Tupperware Tupperware Tupperware Tupperware Tupperware Brands