The Bodum Pavina Glasses are not only practical, they also make a statement. The silicone sleeve functions as a grip while simultaneously protecting your hand from excessive heat and adding a splash of vivid color to your dining and drinking experience. The Bodum Pavina Glasses are made of borosilicate glass and silicone and all parts, including grip, are dishwasher safe. Available in 6 vibrant colors: black, orange, purple, red, green, and white.