The Cirkul 40oz All-Day StrawSip Tumbler in Fog Gray is a stylish and functional insulated stainless steel tumbler designed for both keeping beverages cold for up to 12 hours and keeping hot beverages hot for the same length of time. With a solid color design and a drink-through lid, this tumbler features a convenient handle, making it easy to carry on the go. Perfect for teens and adults, this tumbler is ideal for outdoor activities and everyday use, and it is backed by a 1-year manufacturer warranty for added peace of mind.