elvira 32oz vacuum insulated stainless steel water bottle with straw & spout lids, double wall sweat-proof bpa free to keep beverages cold for 24hrs or hot for 12hrs-red/green gradient elvira double wall design, that is perfectly vacuum sealed, can keep your drinking cold for 24 hours and hot up to 12 hours. ensure your drinks pure,natural,and odor free while maintaining its temperature anytime anywhere. portable 32 oz capacity is great for the daily use. keep you hydrated all the time. sleek looks with vivid colors, it can be widely used in various occasions for women and men.