Material is Glass. Features include 2 x Stemmed gin & tonic glasses, Large balloon shape (Copa) is ideal for gin and tonic as well as sangria. Supplied in a black po ‘di fame two part presentation box (31cm W x 12.5cm H x 24cm D). Measurements: Glasses: 18cm H x 11cm Dia., 8.3cm Dia. (top). The decoration area of Glasses is 30mm W x 30mm H. Capacity: 550ml.