Marusya Inc's No-Slip Easy Grip Cup. 12oz. Set of 4 Designed by Marusya Inc. in collaboration with hand therapists, occupational therapists and rheumatologists Microwave and dishwasher safe, BPA free polypropylene, made in America Lightweight and well balanced with a superior textured grip Set of 4, 12 oz. cups, color is green tourmaline, travel tote included Found in the permanent collection of the Smithsonian Museum, Gourmet Insider Magazine "Holiday Hot List"