The basics Paris Berlin Le Tube - Adjustable Brush & Pencil Tube The benefits Tube adjusts from 5" to approx 8" high in closed position simply by twisting, then easily separates into two sides for ultimate convenience during makeup sessions. The uses Keeps your makeup brushes and pencils secure for transportation and also at the ready on site.  The bottom line A very professional accessory for organizing brushes, pencils or other things.