- Set of 6 Mesa PolyPro aqua colored tumbler/double old fashioned glasses made of premium polypropylene; each glass measures 3.5" diameter by 3.9" tall with a capacity of 15 ounces - Part of the Essential collection of premium drinkware. Essentials is durable and long lasting; perfect for picnics, college dorms, and everyday use; Mesa features a vertical rib optic and straight modern lines with generous capacities - Easy use and care; stackable and dishwasher safe; microwave safe on low heat - All TarHong products are Food safe, BPA free, Phthalate free, Prop 65 compliant