Handy 6" Oral Motor Tool Cleaning Brush that keeps all of your favorite hollow oral motor tools clean, safe, and sanitary! Designed to be used with our Chewable Tubes Necklaces, Zipper Pull Chew Tubes, Topperz Pencil Topper Tubes, XXT Chewable Tubes Necklaces, and Chewable Tubes on a Tether – but works well for cleaning Chewy Tubes and Jr. Chew Stixx, too! The one-of-a-kind chewy tool brushes features a very functional, super slim design with a 13/32" diameter. Smart, safe, and effective. Sold individually.