【High-quality Materials to Build】water bottles using 304 food-grade stainless steel liner and 201 stainless steel shell, silicone seal ring can ensure leak-proof, carefully selected and made to ensure that your drinks are clean and hygienic. 【Excellent Insulation Performance】Hot water can be kept for 6 hours, cold water can be kept for 12 hours, double-thickness vacuum technology effective insulation, so you can enjoy a comfortable taste of drinks anytime, anywhere. 【Fashionable and Practical】 water bottles with bullet shape, large-diameter easy to clean, foldable straw for easy drinking, 5 colors and 2 capacities to choose from, both practical and fashionable. 【Durable and Drop-proof】water bottle has a high strength drop-proof performance, made through a special process, suitable for a variety of occasions, including sports, car, outdoor, travel, etc.. No matter when and where, water bottle is your