Designed with hot drinks in mind, our 16 oz wide mouth bottle with Flex Sip Lid is cup holder compatible and leakproof. This insulated, stainless steel bottle is ideal for coffee, tea, or your favorite beverage, while keeping hot drinks hot and cold drinks cold. The TempShield double-wall vacuum insulation keeps drinks cold up to 24 hours and hot up to 12 hours. The Flex Sip Lid is leakproof when closed and designed for transporting hot beverages. Made with 18/8 pro-grade stainless steel for durability, pure taste, and no flavor transfer. The wide mouth opening is ice-cube friendly. The bottle fits most backcountry water filters and is dishwasher safe. It is not for use on a stove, in a microwave, or freezer. Available in a unisex design, suitable for both men and women.