Description These lightweight, nesting wine glasses go anywhere with their unique stem design that unscrews and allows the bases to be compactly snapped into the bowls for storage. Super lightweight and nearly indestructible, the BPA-free copolyester material will serve you for many more summits to come. Features Made of copolyester plastic, these nesting wine glasses provide excellent impact resistance and are suitable for both warm and cold beverages Copolyester is BPA free Glasses unscrew at the midpoint of the stems so that the bases can be snapped into the bowls for easy packing and storage Wine glasses hold 440ml / 15 fl. oz. GSI Nesting Red Wine Glasses 444ml