This artist-signed multicolored hand-blown tumbler by Kyle Gribscov features a swirl pattern in blue, yellow, and aqua colors. Standing at 5 1/4 inches tall with a 3 1/4 inch diameter, this mid-century modern piece is made of glass with a glossy finish. Produced using hand-blown glass technique, this vintage tumbler glass is a unique and original addition to any drinkware collection.