The HYDRO FLASK Wide Mouth Flex Straw Cap Bottle pairs insulated stainless steel construction with a closeable, leakproof Flex Straw Cap for convenient flip-to-sip, one-handed use. TempShield double-wall vacuum insulation provides long-lasting cold retention—keeps drinks cold up to 24 hours. The wide-mouth opening is ice-cube friendly and compatible with most wide-mouth caps and backcountry filters, while the flexible handle on the cap enables easy carrying. Made BPA-free and designed for everyday hydration; follow care instructions for lid and bottle (disassemble straw lid before washing when applicable). Flex Straw Cap is not intended for hot liquids.
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