Miyoshi Seisakujyo GEL-COOL Square Gelato Plain Lunch Box (S) - Pistachio Color, 11 x 9.4 x 5.5 cm, 220ml, Single Layer. Features a simple clip and

The "GEL-COOL" series features a cooling gel sealed inside the lid. Freezing takes one night in a standard freezer. In the morning, simply pack your food and attach the frozen lid. Remove the lid and microwave! Safe and delicious food awaits.

Product Size: Approx. 11 x 9.4 x 5.5 cm Capacity: Approx. 220 ml Product Weight: 0.133 kg Material: Body & Fastener - Polypropylene, Cooling Lid - ABS Resin, Gasket - Silicone Rubber *Only the body and fastener are microwave and dishwasher safe. [This product, shipped and sold by Amazon.co.jp, is a genuine "GEL-COOL" manufacturer product.]

- The 'GEL-COOL' series features a cooling gel sealed inside the lid. Freeze it overnight in a standard freezer. In the morning, simply pack your food and attach the frozen lid. Remove the lid and microwave! You can enjoy your meal safely and deliciously. - Product size: Approximately 11 x 9.4 x 5.5 cm - Capacity: approx. 220ml Product weight: 0.133kg - Materials: Body and fasteners - polypropylene, Insulated lid - ABS resin, Gasket - silicone rubber. *Only the body and fasteners are microwave and dishwasher safe. - [This product, shipped and sold by Amazon.co.jp, is a genuine "GEL-COOL" product from the manufacturer.]