Miyoshi Seisakujyo Integrated Ice Square Lunch Bento 11 X 9 X Easy Clip Buckle Storage Dessert Salad Microwave Dishwasher Safe Excluding White Made In

The "GEL-COOL" series has a cooling gel sealed inside the lid. It can be frozen overnight in a regular freezer. In the morning, just fill it with food and set the frozen lid. Remove the lid and pop it in the microwave! It's safe and delicious to eat. Product size: Approx. 11 x 9 x 5.5 cm Capacity: approx. 220ml Product weight: 0.133kg Material: Body and fasteners - polypropylene, cold storage lid - ABS resin, packing - silicone rubber *Only the body and fasteners 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.]