This piece is the perfect size and shape to fit hands, cupholders, and coasters, and it packs a lot of water filtration into a small footprint. The 14mm recessed Dewar-seal joint sits flush with the upper edge of the bubbler, maximizing its internal volume. The Slush Cup comes ready to use with a GRAV 14mm Cup Bowl so you can enjoy your favorite refreshment immediately. Comes in various colors.