17 oz double wall 18/8 stainless steel thermal bottle with copper vacuum insulation, threaded stainless steel insulated lid, and stainless steel base. The Feroce bottle is vacuum insulated to keep drinks cool for 24 hours and hot for 12.
To be fierce is to be both strong & powerful but also fiercely confident in your appearance and your capacity to do anything you set your mind to! If you don’t feel this way now, you will! That’s our promise.