"Love when we have to go out of our ""Ceramic Comfort Zone"". And we did with our Barista Collection. 2/3 the thickness of our other collection. But hé that is all for you Barista""s, we got very good advise... This listing is providing you to buy a set of 4 colors of the Barista cups. Colors from left to right: - Whole Grain 1x - Amber 1x - Red Earth 1x - Slate 1x The walls are 5mm thick, but not the mouth rim ofcourse for that delightful sip. You can order these cups in 80ml. espresso or 150m. coffee cups. Sizes 80ml. cups: Holds: 80ml. {2.7 Fl. Oz.} Hight: approx. 6cm. {2 1/3""} Diameter: approx. 6cm. {2 1/3""} Sizes 150ml. cups: Holds: 150ml. {5 Fl. Oz.} Hight: approx. 7,5cm. {2 1/3"} Diameter: approx. 7,5cm. {2 1/3"}