Rainbow Ribbon Murano Style Art Glass Centerpiece on Crystal Base 18" is one of our most popular shapes in our new Rainbow collection. A true work of art in glass with rich rainbow colors poised on a gorgeous crystal base and standing 18" tall. The rainbow is a comprised of seven different colors. Each of these colors is vibrant and beautiful, and each one is different than the next. This conveys a beautiful message of inclusiveness and cohesion. It demonstrates how beautiful diversity can be. Art glass is a blend of many colors of glass and it is completely normal to have air bubbles appear in the glass. Colors may also vary from piece to piece making each one a unique work of art.