UltraSource Polyester Bottle Brush, 0.5" Diameter, 24" Wire Loop Handle Great for tubes, straws, bottles, automotive wheels, trim & interior & other tight-fit cleaning Durable, tough polyester bristles provide excellent abrasion to get the toughest stains and residue from enclosed areas Flexible, bendable steel wire handle lets you shape the brush for those especially hard to reach areas Can also be used to clean: drinking straws, guns, household plumbing, vaporizers, tattoo equipment, coffee machines, bottles, sewing machines and more Wire loop handle for wall hanging and space efficiency