Insulated bottle : 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 aluminum containers).
Does not alter flavors and taste.
Personalized products have an extra 48h delay in shipment. They cannot be returned nor exchanged.