Material is Glass. Features include 2 x Double-walled whisky glasses, Recommended pour 20-40mls, Faceted base with a curved inner wall, Design helps aerate and improve aromatics of the whisky. Supplied in a black po ‘di fame presentation tube with foam divider (26cm H x 10cm Dia.). Measurements of Glasses are 10cm H x 8.4cm Dia., 6.5cm Dia. (top). The decoration is of glasses is 20mm W x 20mm H. Capacity: 180ml.