Vegetable scraps, fruits & peels, meat, seafood, paper towels & napkins, egg shells, coffee grinds & filters, tea bags (remove staples), herbs & flowers, leftover food, greasy pizza boxes, and most anything that was living. Please do not put any plastic, metal, glass, rubber bands, styrofoam, or other synthetic material in the bins. If you have additional questions, shoot us an email or text us at 412-229-7258