Think back for a moment to a time when you were making a decision about your latest packaging iteration…  
Barrier properties refer to the packaging's ability to resist the absorption of light, moisture, and oxygen. These properties come from the accumulation of the individual films used in the construction of the packaging.
Next in our packaging terminology guide series: bar wrappers and sachets! There's some crossover in relevant terms for these products so we joined them together for one easy and to-the-point terminology guide.