100%-BPA Free for Heath-Safety: High-quality food grade 18/304 stainless steel on both inside and outside walls. This FDA approved will never rust or leave a bad metal taste in your mouth. Scratching resistance, Eco-friendly, non-toxic, shockproof, leak-proof, rust proof, double wall, no sweat, no condensation on your desk any more. Stay Cool or Keep Warm: Double wall vacuum bottle, with special insulated technology, can hold your liquids well with 8 hours cold and 12 hours hot. What a surprise! Enjoy all kinds of cool and fresh in summer, enjoy the warmth in cold winter. Suitable for cold water, Iced Coffee, hot drinks, hot coffee, hot chocolate, etc. Perfect for office workers, students, sports, outdoor enthusiasts, breast-feeding mothers, etc. Occasion: Perfect size for your gym bag, car, bicycle and backpack to enjoy your long hikes, sports, go to work, go to beach, school, office, picnic, hiking, camping, cycling,road trips, eat lunch out, on the road for soup, traveling, trip, driving, mountaineering, backpacking, hot yoga, gym, fitness. Fashion Pure Color Design: The most popular, current and fashionable colors is for you. A slight sparkle brings all of these colors to life! This vacuum bottle also can be a sweet and love gift for your family, lover and friends.