This lunch box has cooling gel sealed inside the lid. Freeze the lid and it serves as a cooler. The set combines 300ml and 400ml containers in a slim design.
Features
Keeps food at 15°C or below for approximately four hours in an ambient temperature of 25°C.
Dimensions: 17.7 × 5.6 × 11.9 cm.
Made in Japan.
The containers and divider are microwave- and dishwasher-safe. The lid and inner lid are not specified as safe for these appliances.
Materials: body and divider: polypropylene; cooling lid: ABS resin; inner lid: SEBS thermoplastic elastomer; elastic band: rayon, polyester, and rubber.
How to Use
Freeze the lid in a household freezer overnight, then place it on the lunch box after adding food. Remove the lid before microwaving.