Double Walled Insulated Acrylic Tumbler with Slide Open Straw, Lid and Slicone Hand Grip 22 Oz. Our Tumblers are made out of durable break-resistant acrylic Insulated double walls keep drinks colder for longer Dome cap with pop up/down straw prevents spills The safety silicone rubber grip keeps hands dry and warm. Dishwasher safe and BPA FREE 1 UNIT! please message us if you woud like a specific color