Two brushes in one to clean any type of bottle! Thelarger brush has an extra-long, flexible handle toclean all sizes of bottles. The smaller, tapered-headbrush fits inside the handle of the longer brush,easily pulls out for use. Smaller brush is great forcleaning tubes, caps, spouts, and spigots. Alsoworks well on critter tubes and modular hutches.Size:L 18” X W 4” H 1.5”