PLASTIC FREE handle and packaging. The NFco Bio Toothbrush is biodegradable along with its packaging. The handle is made from non-GMO cornstarch with PBT bristles which are BPA free and recyclable. Zero Waste Toothbrush Handle made from non-GMO cornstarch Soft PBT bristles BPA free Biodegradable, plastic-free packaging WHAT'S IN IT? Our Biodegradable and Compostable Toothbrush is made from Corn with Recyclable PBT bristles. The stand is made from Resin. Our plastic free packaging has a craft backing with a cornstarch blister cover.