Miyoshi Seisakujyo Square Lunch Box with Integrated Ice X X 12 1000ml Suitable for Women and Rubber Band Microwave Dishwasher Safe and Dividers

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. 17.8 x 8.7 x 12 cm Capacity: Approximately 500ml x 2 tiers Product weight: 0.547kg Materials: Main body and divider - Polypropylene, Insulated lid - ABS resin, Inner lid - SEBS resin thermoplastic elastomer, Rubber band - Rayon, polyester, rubber *Only the main body and divider 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.]