Warrior Baby Stealth 1.0 Insulated Wide Mouth Stainless Steel Water Bottle, 32-Ounce - Made For The Toughest Double wall insulated stainless steel water bottle keeps liquids COLDER and HOTTER for up to 24 hours Premium grade, 18/8 Stainless Steel, BPA free for highest level of health and well-being Tested and approved by Warrior Baby's Adventure Team