Insulated Leak-Proof Flask: The Spout Features A Stainless Steel Screw Cap And Silicone Insert Making The Water Bottle Completely Leak-Proof And Provides Lasting Insulation. Forget About Spills Or Leaks During Your Daily Commute | | Hotter Or Colder For Longer: The Water Bottle Keeps Drinks Cold For Up To 24 Hours And Hot For Up To 12 Hours. Enjoy Homemade Coffee Or Refreshing Drinks Anywhere, Anytime At The Right Temperature | | Wide Mouth Feature: Thanks To The Large Opening, Ice Cubes, Activated Charcoal Sticks Or Fresh Fruit Can Be Put Into Your Drink With Ease | | High Quality Build: Made From Stainless Steel, Polypropylene, Bpa Free Silicone, Top-Ring And A Convenient Carry Vegan Leather Strap | | Go Green: Invest In Solution Water Bottle And Reduce Your Disposable Bottle Usage | |