Interlocking isometric buildings rendered in crisp line work create an endless geometric tessellation across a cool gray ground. The white-lined structures, each topped with diagonal hatching, stack and interweave in three-dimensional perspective, forming a hypnotic pattern that suggests both urban architecture and optical illusion. Sewn from a durable canvas-like exterior with a soft lining and made to order, in three sizes up to one that fits a tablet. A catchall for toiletries, art supplies, or small electronics, carrying an independent artist's work instead of a plain zip bag.