Retro-style blue crystal clear finish. The attractive non-slip diamond texture exterior hides wear and tear. Cups are stackable, shatterproof and dishwasher safe. Holds 18 oz of liquid comfortably. BPA free. Dimensions: Height: 5.25" (13.5 cm), Bottom diameter 2.6" (6.75 cm), Top diamenter 3.75" (9.5 cm)