These insulated tumblers from Ron Jon, manufactured by Tervis Tumbler®, includes a Hibiscus Flower and Ron Jon Logo. The double wall insulation of the tumbler helps to keep hot drinks hot, and cold drinks cold, reduces condensation helping to prevent rings. Made of high grade polycarbonate, these tumblers are dishwasher safe. Holds approximately 16 ounces. Set of 2 tumblers.