Why Choose Personalized Sports Water Bottle? 1) High Quality Materials -- Made of food-grade 304 stainless steel, BPA free, equipped with polyethylene straws, food-grade silicone, safe and non-toxic, resistant to high temperature and not deformed. 2) Premium Insulation: --The outer wall of the food-grade stainless steel inner tank is attached with an insulating layer, which enhance the cold and heat preservation effect. -- Eg: Keep drink cold for up to 24 hours; 100 ℃ hot water, put it at about 45 ℃ for 10 hours, and about 65 ℃ for 6 hours. 3) Design: -- Two sizes: 600ml(20oz) and 1000ml(33oz), fit in most of holders, backpack pockets. -- Cute patterns printed and your NAME on the outer of the bottle. -- The handle of the kettle is widened, which can be easily carry with two fingers, making it more portable. -- The bottle cap is equipped with a vent valve to ensure air circulation. -- The bottle cap and the straw is combined, which can be folded and stored to ensure clean and hygienic. 4)Perfect Gift: -- Fitness, cycling, hiking, camping or just just for hydration, this bottle will be an awesome gift for yourselves, friends and families! 5) Instructions: -- Wash the bottle with neutral detergent + warm water before use. -- It is recommended to add hot water or ice cubes for preheating or precooling. -- Please tighten the lid clockwise to prevent leakage. 6)Notes: -- Do not add dry ice, carbonated drinks, liquids containing alkaline and acidic ingredients. -- Do not soak in water for a long time (≤30 mins). When the printing position is blistered due to soaking in water, do not rub it with your hands to make the printing fall off. After the foaming, let the bottle dry naturally. The position will return to its original state. --If you have any questions about the item, please contact us by email, we will reply you within 24 hours.