Can be paired with moisture- and oxygen-barrier liners (e.g., aluminum foil, PE film) to block air and humidity ingress—preventing tea from dampness, mold, or oxidation, thus extending shelf life.

Moderate breathability prevents moisture-induced sticking or excessive drying—ideal for chocolate, gummies, and humidity-sensitive candies.

WS-501 has high transparency, high shrinkage characteristics, is easy to process,has excellent printability, and has the ability to fit highly complex shapes