A technical patent drawing from 1928 displays baseball equipment in meticulous black line work against a clean white ground, with a bat, ball, and detailed cross-sectional diagrams of the ball's interior construction arranged in a methodical grid. The composition carries the instructional clarity of early-twentieth-century patent documentation, rendered in precise pen strokes that emphasize function and engineering innovation over decoration. 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.