An iconic and timeless design, this stupendous hourglass belongs to a special series designed by R&D Blueside. Exuding a sleek and contemporary style, it is an evergreen gift idea for a design lover and collector. It is deftly handcrafted of clear borosilicate glass. Available in other shapes to taste, please consult the Artemest catalog for details. The running time of the hourglass cannot be customized, as each piece is uniquely handcrafted.