This patio broom is suitable for removing algae, mold, moss and other stubborn dirt on hard, unglazed, uneven surfaces such as gravel tiles, decking, etc. The bristles of this broom are made of durable, hardened brass steel wire with polypropylene wire in various lengths in between. The bundles with steel wire ensure that the dirt is removed from the grooves and the bundles with the strong, dimensionally stable polypropylene wire clean the top. This broom can be fitted with a handle.