High quality: The stainless steel insulated water bottle is made of high quality 304 stainless steel inside and out. food safe, bisphenol A (BPA) and phthalate free. You don't have to worry about bacteria and particles rusting or corroding and can use the insulated mug with confidence. The thermos is hand washable and can be recycled to contribute to an eco-friendly planet. Keeps drinks cold for up to 24 hours and insulated for up to 12 hours: The layer of material insulated from the inside out through an eight-step process reduces heat transfer, reflects heat radiation and maintains temperature at all times. It doesn't matter if it's hot or cold outside, your drink will stay cold for 24 hours or hot for 12 hours. Enjoy your favorite drink or coffee even when you're outdoors. Waterproof and portable. This insulated mug features a double leak-proof lid that won't leak, even when turned 360 degrees. The tight seal ensures that a variety of beverages such as coffee or milk stay reliably in the insulated bottle, making outdoor use easier and more hygienic. Perfect for driving, fitness, yoga, running, travel, cycling, camping, office, school and more. Unique Gift: The unique design of the stainless steel sports bottle provides an opportunity for self-expression and a unique gift. A perfect eco-friendly gift for family and friends. Mother's Day, Father's Day, Birthday, Valentine's Day. The perfect size for design. Our 750 ml insulated bottles are available in two colors and two sizes for children and adults. Ideal for ice water, tea, coffee, soup, energy drinks, carbonated juices.Tip. Please wash new bottles before using.