Ultralight, super strong, and developed with stainless steel walls that are an insanely thin 2mm, this compact bottle keeps liquids cold for a full 20-hours, and holds the heat for 10 hours. Take it everywhere. The stainless steel is rugged and clean, and the advanced engineering sheds weight and reduces volume without sacrificing strength and durability. The clever cap is engineered for a secure grip, and the color combos colors up the look.