This sleek straight 22 oz tumbler delivers a chic, unique appearance and an air of style that implies luxury. The narrow design is easier to grasp than wider tumblers. Double wall, stainless steel construction keeps contents hot for 8 hours or cold for 12 hours. Easy, slide open the lid with a rubber seal. Design easily fits in car cup holders. Hand wash only, do not use in microwave or put into the dishwasher.