Thermos Vacuum Insulated 18 Ounce Stainless Steel Hydration Bottle, Midnight Blue Price: £31.95 (as of 10/04/2023 07:32 PST- Details)

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18-ounce hydration bottle with durable stainless steel interior and exterior
Flip-top lid with built-in sipping design; button activated lid and additional clasp for secure travel