Biodegradable, Degradable, and Compostable: What’s the Difference?

There’s a lot of misinformation and misunderstanding where sustainability is concerned. We often see the terms biodegradable, degradable, and compostable used interchangeably - and let’s not forget about the term “Green washing”. My Pet Life is passionate about the environment - and doing what we can to make a difference. That’s why we use 100% compostable packaging - not something that is easy to find in the pet world - but to that end, we thought we’d also just clarify what that means because those term… they don’t mean the same thing! Understanding the differences is crucial—especially when it comes to packaging, and not just for pet treats, but other products that impact the environment. That way you can make the best choice for you - and the planet.

Biodegradable: A Natural Breakdown Process.

A biodegradable material is one that can be broken down naturally by microorganisms like bacteria and fungi. This process can occur in soil, water, or air, breaking the material down into natural elements like carbon dioxide, water, and biomass.

Key Points About Biodegradable Materials:

• They break down without human intervention, but the timeframe varies (weeks to decades).

• Some biodegradable plastics still leave behind microplastics if not properly processed. For example - our oceans are full of this nasty bi-product and that means it can get into the diet of fish we eat and ultimately, in our system. There is nothing good about plastic in your body. Or anyone else’s for that matter.

• They don’t necessarily require specific composting conditions to break down.

Example:

A banana peel is biodegradable because it naturally decomposes into organic matter. Cool, we have no issue with that so long as said peel isn’t at the bottom of our child’s school bag…Some biodegradable plastics, however, take years to fully break down and may still leave residues behind.

Degradable: When Breaking Down Doesn’t Mean Eco-Friendly.

A degradable material can break down into smaller fragments through chemical processes, often accelerated by heat, UV light, or moisture. Unlike biodegradable materials, degradable ones do not always break down into harmless natural components.

Key Points About Degradable Materials:

• They do not require microorganisms to break down.

• Some degrade into smaller plastic pieces (microplastics) rather than natural elements. See previous comment…

• The process can be quick, but it does not necessarily make them environmentally safe.

Example:

Many plastic bags labeled “degradable” break down under sunlight but turn into microplastics, which persist in the environment and harm wildlife - and can harm you.

Compostable: The Most Sustainable Option

A compostable material not only breaks down but does so in a way that benefits the environment by turning into nutrient-rich soil. Compostable products decompose into carbon dioxide, water, and organic matter, leaving behind no toxic residue.

Key Points About Compostable Materials:

• They require specific conditions (moisture, temperature, and microorganisms) to break down efficiently.

• They decompose within a defined time frame—often within 90–180 days in commercial composting facilities.

• They create nutrient-rich compost that helps plants grow.

Example:

Food scraps, leaves, and My Pet Life’s compostable packaging all break down into natural, beneficial compost when disposed of correctly. Even our labels!

Why Compostable Is the Best Choice for Pet Treats & Packaging?

At My Pet Life, we’re committed to using compostable materials because they break down completely and contribute to the environment rather than polluting it. Unlike biodegradable products that might leave behind microplastics or degradable plastics that only fragment, compostable packaging disappears entirely, returning nutrients to the soil.

If you’re looking to make more eco-friendly choices, always check the labels on packaging and products. Many companies use misleading terms, so look for certifications such as Australian Home Compostable (AS 5810) or Commercially Compostable (AS 4736) to ensure you’re making a truly sustainable choice.

Final Thought:

While biodegradable and degradable materials might sound eco-friendly, compostable is the best option for sustainability. That’s why My Pet Life is dedicated to using 100% compostable packaging—because your pet’s treats should be good for them and the planet.

Want to learn more about our eco-friendly mission? Check out our range of compostable-packaged treats today!

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