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# What are your materials (films & zippers) made from?

The **bio-based films** we source are biodegradable with a home compostability rating. They are made from a combination of corn, potato starch, cassava, wood pulp, and beetroot.

Our **standard press-to-close zippers** are also biodegradable and carry a home compostability rating. Our **child-resistant zippers** carry an industrial compostability rating. Ours are most often made from bio-based resins renewably sourced from dent corn nearby manufacturer locations. Other renewable sources for bio-based resin can include soybean oil, sugarcane, beetroot, and algae.

Pouches made from these materials can perform well with many applications but are ideal for food-based, non-toxic, and non-liquid products. Read: [What types of materials/substrates are offered? What are their differences?](/hc/en-us/articles/11583191836045) for more information on our substrate materials

The **shelf life** of our materials is comparable to other alternative flexible packaging offerings assuming they are stored in a dry, room-temperature environment. If you are uncertain, we recommend testing with your product to determine if it fits your shelf life needs.