• Keeps drinks cold for up to 24 hours and hot for up to 12 hours thanks to its double-wall vacuum insulation. • Made of high-quality 18/8 stainless steel, BPA-free, non-toxic, and without metallic taste. • Leak-proof design with integrated sealing ring and safety lock that prevents accidental openings. • Lid with straw and one-click opening system for easy one-handed use. • Wide mouth allows for easy addition of ice cubes or fruit and facilitates cleaning. • Includes integrated carrying handle and is compatible with most bicycle and car bottle holders.