Keep your drinks ice cold for up to 8 hours with our reusable blue water bottle. The thermos insulation works effortlessly to ensure that your water will remain cool on those warm sunny days at the beach. We also have this reusable water bottle available in white . CARE: - Use warm water and washing-up liquid to clean your flask after use. Rinse thoroughly with hot water. DO NOT immerse in water. Dry thoroughly after leaving it to drain. Store with the stopper off. - DO NOT put your flask in a dishwasher. - To remove difficult stains fill your flask with hot water, add one teaspoon of bicarbonate of soda. DO NOT put stopper on product while using this cleaning method. Soaking overnight produces excellent results. Always rinse before re-use.