4AP Gradient Lucite CoastersThe Gradient Coasters are a set of four acrylic coasters designed by Portugal based graphic artist Yoni Alter, complete with a clear display stand. Each coaster measures approximately 4 (9 cm) in diameter and features a gradual color shiftcreating a sculptural, playful setup whether stacked or displayed. Coated with a protective micro layer, they make a visual statement whether used under drinks or left on view. Ideal for style conscious desktops,