Product material: 304 stainless steel + food grade PP
Product capacity:
Double layer about: 1840ml
Three layers about: 2600ml

Feature:
Keeps warm for up to 6 hours
Independent sealing cover
Double-sided buckle design
Sandwich fully sealed design inhibits bacterial growth
304 stainless steel, acid and alkali resistant, no peculiar smell
Microwaveable
Insulation bags can be purchased to effectively extend the insulation time