Exceptional Insulation: Featuring advanced insulation, our Enerbone stainless steel water bottle keeps your drink HOT for up to 12 hours and COLD for up to 24 hours. With double-wall vacuum insulation, there's no need to worry about condensation, ensuring a comfortable grip at all times. Premium Quality: Through the upgraded, 32 oz insulated water bottles inner wall is made of food-grade 18/8 Stainless steel, and the outer wall is 201 stainless steel. Rest assured, our leakproof sports water bottle is BPA-free, non-toxic, odorless, rust-proof, and absolutely safe for daily use. Humanized Design: The one-hand operation button allows for easy access to water. Highly suitable for boys and girls, and all ages. The flip-top lid of the insulated thermos is used a secure lock, making it dust-free and leak-proof. The included straw brush makes maintaining your bottle's cleanliness uncomplicated and efficient. Easy Travel: With its generous 32 oz capacity, the water b