The Corkcicle Sports Canteen features a pop-up lid with a straw that makes sipping while you're on the move, extra convenient. The Corkcicle Sports Canteen features their signature flat sides for extra grip, is triple-insulated to keep drinks at their optimum temperature for hours, and a cap with straw for easy use. Insulated drink bottle with pop-up straw lid. Triple-walled insulation keeps drinks ice cold for 25 hours or warm for 12. Pop-up lid is fitted with a straw for easy sipping. Elevate your hydration with the irridescent pearly finish of the Metallic collection canteen Material Stainless Steel (BPA Free) Features 600ml capacity for optimum hydration Wide mouth is big enough for fitting ice cubes Flat sides for extra grip. Hand wash only.