, high quality
USB thermostatic insulation board for lunch bags, milk bottle lunch boxes, etc.
Suitable for outdoor, picnic, school trip, etc.
The temperature will rise to 50°C and then keep it.
Suitable for use with insulation bag, keep the bento warm for a long time

Colour: silver
Material: PE
Size: 25 x 14cm

Package Contents:
1 x insulated lunch bag