Hot water inside and stainless steel vacuum flask heat preservation effect which good?
The general is a good point thermos bottle Be specific to see Best wishes to you
The two should be make use of the principle of vacuum insulation So it should be the same
I would prefer bravery of stainless steel. Aesthetic appearance, durable. To adopt, are doing tasks ing!
Light to see the kind of better heat preservation effect, of course, is glass. Or see individual be fond of choose and buy,
