You can throw away your collection of smelly, faded, noisy plastic shaker cups, our new insulated shaker cups from acclaimed brand Ice Shaker will change your life. Instead of taking the easy road and throwing our logo on a plastic cup, we took it up a notch and created a product that will improve your day to day. Made from double walled vacuum insulated kitchen grade stainless steel our shaker cups are top of the line. Built with a silent, removable agitator that doubles as an infuser you can forget about listening to the metal ball roll around your car all day long. Our insulated shaker cups have the ability to keep drinks cold for 30+ hours, combine this with an awesome, easy to use flip up handle and a spill proof lid, these are perfect for all day use..