Cheers to his birthday with this whiskey stones and glasses set that will enhance his drinking experience. This set includes four whiskey glasses, eight whiskey stones, a wooden tray, and a velvet pouch. The whiskey stones are made of natural granite and can be chilled in the freezer to keep his drink cold without diluting it. The glasses are elegant and sturdy, with a curved shape that fits his hand. This is a classy and sophisticated gift that he will enjoy using.