Description This lightweight, nesting wine glass goes anywhere with its unique stem design that unscrews and allows the base to be compactly snapped into the bowl for storage. Super lightweight and nearly indestructible, the BPA-Free copolyester material will serve you for many more summits to come. Features 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 275ml / 9.3 fl. oz. Specifications Capacity: 275ml Weight: 136g Material: Copolyester Includes: 2 x 275ml / 9.3 fl. oz. Wine Glasses, 2 x Nesting Stem Bases GSI Nesting White Wine Glasses 275ml