4.50 Round BioPax™ Container. Made responsibly from trees, each BioPax™ growing container promotes less waste while offering an optimized end-of-life compared to traditional containers. Formulated with sustainably-sourced wood pulp. Over 50% certified biodegradable and compostable materials. No microplastics! Non-GMO, non-toxic. All the strength and performance you’d expect while being mindful of the environment. Certified USDA BioPreferred®.