For some, caviar tasting is a religion and as such, it requires its own accoutrements. The large metal bowl is filled with crushed ice, while the small glass bowl"s precious contents are rested on top. This 4-piece set includes a stainless-steel bowl and holder, a small glass insert and an elegant dome lid. The diameter of the actual cup is 4-inch, however the overall diameter of the stainless-steel bowl is 7-inch.