Beechwood handle, steel wire center, and coconut husk fiber bristles.
Heavy duty fiber bristles attached to a long, thin handle are perfect for cleaning water bottles, vases, mugs, and other vessels with small openings.
None!
Please compost brush handle and bristles at end of life, wire center can be recycled at a scrap metal yard. Save up your metal scraps and you will often be compensated financially for your donation!