Big Size: 26 X 17.8 X 3.2 Cm or 10.2 X 7 X 1.3 Inch, Funnel - 7 X 6.2 X 1.5 Cm or 2.7 X 2.4 X 0.6 Inch .Can Be Refrigerated Or Filled with Warm Drinks: You Can Put The Bag Containing The Liquid In The Refrigerator to Enjoy A Better Taste of The Drink.It Can Also Be Warmed Up In Winter to Warm Your Hands and Stomach .It Can Be As An Ice Pack Gift: Put An Appropriate Amount of Water Into The Bag and Tighten The Lid, Then Put It In The Refrigerator for More Than Ten Hours to Get A Cool Ice Pack Gift, Which Can Be Applied for Daily Outdoor Heat Preservation and Cooling, Ice Compress, Etc. .Easy to Pour: The Use of A Silicone Funnel Makes It Easier and More Complete to Pour The Liquid Into The Bag. There Is No Need to Wipe The Tabletop Every Time The Liquid Is Poured. The Foldable Design Does Not Take Up Space, and The Silicone Can Also Be Foldable, Which Helps You Save More Space. .Multi-Purpose and Protection: Suitable for Bringing Drinks When Going Out, Picnic, Camping, Fishing, and More.The Volume Changes with The Volume of Your Liquid, Saving Space for Your Outgoing Luggage.Many Kinds of Liquids Can Be Contained, Such As Water, Milk, Juice, Beverages, Etc.Reusable, Durable, Long Service Life, Easy to Clean, After Use, You Only Need to Pour Clean Water Into The Bag, Shake It and Pour Out The Clean Water to Clean It. .