A monochromatic engraving captures the layered, striiated patterns of an agate cross-section, with delicate linear marks creating depth and geological rhythm across the composition. The vertical orientation emphasizes the stone's natural banding, rendered in grayscale with intricate detail that suggests both scientific observation and meditative contemplation of mineral formation. Built from double-wall stainless steel and made to order, holding 20 ounces with a snap-on lid, a standard-cup-holder fit, and wraparound artwork. Your commute carrying original art instead of another branded tumbler.