Lifefactory LF320400C4, 17-Ounce, Multicolor The silicone sleeves provide protection and grip while the pedestal base delivers stability while delivering a pop of color 100% made in the USA! The glasses and the silicone sleeves are produced and assembled in the USA Dishwasher safe. We do not recommend removing the sleeve. All materials are BPA/BPS-free and phthalate-free. All materials are FDA approved Great for red wines and can pull double-duty as water glasses, 17 oz (500 ml)