The 24oz Standard Mouth Stone is the ultimate reusable water bottle for all your adventures. Made from durable stainless steel, it's cup holder compatible and fits right in your pack. With 24 hours of cold drink insulation and 12 hours of hot drink insulation, you'll always have the perfect temperature beverage on hand. Product Benefits: TempShield® double-wall vacuum insulation keeps drinks cold up to 24 hours, hot up to 12 Flex Cap is leakproof when closed and designed for transporting hot beverages. Wide Mouth opening is ice-cube friendly Made with 18/8 pro-grade stainless steel for durability, pure taste and no flavor transfer Dishwasher safe BPA-Free