Stainless Steel Water Bottle That Is Double Walled Vacuum Insulated and Bpa Free for Sports or Camping. Ok Drink Bottles Come with Two Lids, One with a Straw for Ease of Use and One for Travel That Is Leak Proof. Become Eco Friendly Now! 20 oz / 600 ml Surgical Grade 18-8 Stainless Steel Construction for durability and safety. Two lids, one with straw for ease of use and one for travel that is leak proof Double walled vacuum insulated to keep liquids cold for up to 12 hrs and hot up to 6 hours BPA free