For the long days: the beach from breakfast to sunset, the boat, the ball field. The 30oz Stainless Steel Tumbler holds enough to get you through, and its double wall 18/8 stainless steel and copper vacuum insulation keep beverages cold for 24 hours or hot for 8. It is a CeCe brand thermal tumbler with a clear push-on lid and a powder coated finish, in White or Navy. Hand wash only, please, since it is not dishwasher safe. Top it off before you leave the house and you may not need the cooler at all.