Our Water Bottles Are Made From High-Grade, Non-Toxic, Bpa Free 18/8 Stainless Steel That Never Rusts Or Imparts A Metallic Taste. Powder Coating Offers A Steady Grip Without Slipping From Sweaty Palms. This Metal Water Bottle Is Easy To Keep Clean By Hand, And It Is Dishwasher Safe. Please Wash It Thoroughly With A Mild Dish Soap And Warm Water Before Your First Use. Special Lid Designed For Double Use Case I.E. For Hot Or Cold. | | ???Vacuum Insulated?Insulated Water Bottle Use Double-Walled Vacuum Insulation Technology To Keep Your Beverage Cold For Up To 24 Hours, Or Hot For Up To 12 Hours, Make Sure The Water Bottle Sweat-Free And You Can Enjoy Your Favorite Beverages At The Most Suitable Temperature All Day. The Wide-Mouth Design Is Easy To Clean And Fill With Ice Cubes. | | ???Portable Design?This Thermos Flask Comes With Water Bottle Holder Made Of High-Quality Waterproof Material. You Can Carry Our Water Bottle In Two Ways With The Handles And Adjustable Shoulder Strap. .