The 125g chocolate bar packaging for "Blen-Beck" features a playful, pixelated graphic design inspired by video games like Space Invaders. Each design element reflects the square shapes of chocolate pieces, with creatures rendered in pixel art, targeting both children and older geeks. The dominant colors of black (dark chocolate), gold (representing a premium, Willy Wonka-style "golden ticket" surprise), and white (white chocolate) create a vibrant, joyful aesthetic.

The design reflects a Belgian chocolate that doesn't take itself too seriously, much like its name — combining two Flemish-sounding words, evoking a cheeky, inexperienced (green) child, or "blanc-bec" in French.