Libbey, 16.5 ounce Impressions tall tumbler glasses, set of 4. Each glass has a different colored base (Green, blue, pink, and yellow). Hand painted using an acrylic enamel paint, and heat fired for durability. Item is hand washable. Painted in a fun flip flop design. Flip flops are done in lime green, purple, hot pink, and aqua blue. With yellow polka dots and orange swirls.