Comes with 2 filters.
100% Leakproof.
Keeps 5h Hot / 7h 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 aluminum containers).
Does not alter flavors and taste.
BPA free.