The 16oz Wide Flex Sip Lid Cascade is the perfect companion for your daily drinks. Its leakproof, stainless steel design is cup holder compatible and keeps hot drinks hot and cold drinks cold. With the added benefit of the Flex Sip Lid™, your coffee or tea will stay at the perfect temperature for hours. Product Details: 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