THIS BOTTLE BRUSH DESIGN HAS STOOD THE TEST OF TIME. THIS TRADITIONAL DESIGN BEER BOTTLE BRUSH, IS PERFECT FOR CLEANING 12 TO 22OZ BEER BOTTLES. IF THERE IS ANY STUCK-ON RESIDUE OR DUST IN THE BOTTOM OF YOUR BOTTLES THE ROUNDED END OF THE BRUSH WILL REACH IN AND SCRUB IT OUT! WORKS GREAT ON MOST WINE BOTTLES AS WELL!