Plastic Free:304 stainless steel inner, 201 stainless steel outer, steel handle lid. No plastic in the thermos flask.
Sports Design:this thermos bottle is easy to take to gyming, hiking, camping and other activities.
Vacuum Insulated:this stainless steel thermos water bottle can keep water hot for 12 hours, cold for 24 hours.
Customization:we can do customized logo, package. With customization, the hydro flask stainless steel water bottles thermos flask looks very nice!