Nsulated 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. 18/8 Premium Stainless Steel: The Iron Flask Is Made Of 18/8 Stainless Steel That Is Bpa Free And Non-Toxic. It Will Never Leave A Metal Taste Or Rust. Hand Wash Only With Soapy Hot Water. Trio Of Lids: The Iron Flask Is Equipped With Three Uniquely Designed, Leakproof Lids: Our Patented Spout Lid For Precision Pouring, A Handy Flip Lid, And A Practical Handle Lid. Unmatched Durability & Functionality: Crafted With Double-Walled Stainless Steel, Our Bottle Guarantees Optimal Temperature Retention, Be