The lunch box of this link is divided into two layers, 304 vacuum anti-overflowand heat preservation, vacuum sealed 304 type liner and dish using 304stainless steel as raw material, vacuum insulation, with sealing ring andsealing cover, completely sealed without leaking soup. The insulation type isaustenitic stainless-steel material, heat preservation for about 3 hours. Tips:The above insulation effect test environment is about 20 degrees Celsius atroom temperature.

Product Features

1.Thermalinsulation

2. Tightly sealed and anti-leaking

3.Matte surface and anti-slip

4.Multi-layer with different size

5.Portable 304 stainless steel internal and multipurpose

6.Microwave safe

Specification :

two size: double layer size , triple layer size