PLA Heat Seal Film for Bread & Pastry Anti-Fog Compostable 18-35μm 1. Basic Information For baked food packaging, this PLA heat seal film is made from corn-based polylactic acid through multi-layer co-extrusion and biaxial orientation. While maintaining high clarity, the film addresses grease penetration and condensation issues in bread, cakes, and pastries with good oil and anti-fog performance, reducing fog droplets inside the package and clearly presenting product