Flex Sip technology also facilitates a smooth flow from the flask to your mouth, which is especially useful when drinking hot beverages. The handy flex strap makes this flask easy to carry, you can even clip it to your backpack if storage space is limited.Leak-proof coffee flaskSuitable for hiking and everyday useFlex Sip lid - controls flow of liquidBPA-Free and Phthalate-FreeSoft-touch coated finishFlex strap - easy to transport and comfortable to carryDishwasher safeFits under most coffee machinesCompatible with Hydro Flask Wide Straw LidsCapacity: 12oz (355ml)Dimensions: 16.3cm (H) x 5.7cm (W)Weight: 290g