Non-scratching decanter brush will clean the most unreachable areas of any decanter! The foam bristles are designed to last 10 times longer than the best decanter brush. The bristles do not absorb water, so they will not become soggy, limp and dead. Enter the tip first. Turn and push to nest inside the decanter. Rotate inside the decanter. It will wash out all the residues and stains. The brush will not scratch, mar or chip even the most delicate decanters.