PRICES MAY VARY. INSULATED SPORTS WATER BOTTLE: Goodbye sweat! The narrow mouth double wall insulation makes the Iron Flask sweat-free! It keeps your drink COLD for up to 24 hours, and HOT for up to 12 hours. *NOTE: ONLY the 12 Oz, 16 Oz, 20 Oz & 24 Oz fit in cupholders* 3 LIDS: YES, Iron Flask comes with THREE different 100% LEAK PROOF lids. Our Patented Straw Lid, Flip Lid, and a Handle Lid. 18/8 PREMIUM STAINLESS STEEL: The Iron Flask is made of 18/8 Stainless steel that is 100% BPA free and