High quality carbon filter filters water as you drink; bobble is made from FDA approved recycled PET - that is free of BPA, Phthalates and PVC Entire bottle is completely recyclable; Oprah recommended eco-friendly product Should not be used on water that is not microbiologically safe or unknown quality; Filters are carbon based 30 day manufacturer's warranty against defects; Made in the USA Hand wash bobble in hot soapy water; follow package instructions to refresh filter