Siege Clean Soft Tip Tube and Bottle Cleaning Brushes for easily getting into and cleaning narrow spaces, and small appliance parts Set of 3 sizes: 1-Inch, 3/4-Inch, 3/8-Inch Flexible for cleaning narrow spaces like: flower bud vases, fluted champagne glasses, picture frames, models, small sculptures, computer parts, small bottles, bird feeders, tea kettle spouts, sports bottle straws and more Use WET to clean tube and bud vases and spouts; Use DRY to remove dust from computer parts or art work Made from natural bristles and soft cotton tips; won?t scratch surfaces; shorter handle allows for a more secure grip