Miyoshi Seisakujyo Square Lunch Box with Integrated Ice Berry 15 X X 6 400ml Single Suitable for Women and with Easy Clip Buckle Microwave Dishwasher

The "GEL-COOL" series has a cooling gel sealed inside the lid. It can be frozen overnight in a standard freezer. In the morning, simply fill it with food and place the frozen lid back in place. Remove the lid and microwave! Enjoy safe and delicious food. Product size: Approx. 15 x 9.4 x 6 cm Capacity: approx. 400ml Product weight: 0.202kg Materials: Body, fasteners, and dividers - polypropylene, insulated lid - ABS resin, gasket - silicone rubber. *Only the body, fasteners, and dividers can be used in the microwave and dishwasher. [This product, shipped from Amazon.co.jp and sold by Amazon.co.jp, is an authentic "GEL-COOL" product.]