Keep your drinks cold for up to 24 hours or hot for up to 12 hours with the TempShield double-wall vacuum insulation. This stainless steel water bottle features a leakproof Flex Straw Cap for easy sipping on the go. Made from durable, BPA-free stainless steel, it ensures pure taste with no flavor transfer. The bottle fits most car cupholders and has a wide mouth for easy filling and cleaning. Not recommended for use with hot liquids or in microwaves, stoves, or freezers.