FOR USE WITH THE ORGANICALLY EPIC SONIC WAVE ELECTRIC TOOTHBRUSH ONLY THE STATS x2 Electric Toothbrush Bamboo Heads. THE PACKAGING Cardboard. THE SUSTAINABILITY FSC Certified Bamboo with Japanese Binchotan Charcoal Infused Dupont bristles and cornstarch bioplastic inner. THE DISPOSAL The toothbrush heads can be recycled as can the packaging.