100% Leakproof.
Keeps 12h Hot / 24h Cold.

Double wall: internal and external walls made from stainless steel 304 (18/8).
Inner part of the lid is made of stainless steel 304 (18/8).
Internal wall without any coating or lacquer (unlike aluminium containers).
Does not alter flavors and taste.
BPA free

Stainless Steel Bottle Qwetch