High-end Magnetic fashion coloring tint bowl attached steel mobile stable salon trolleyDescription 1. 4 pcs color bowls with magnets built into bottom 2. No exposed screws or magnet spieces, fully washable without worrying about rusting 3. Firmly attach to any iron surfaces. No more flipping over, no more splashing color during operations 4. Conveniently stow under bottom of metal tray when not being used, save space, easy to fetch 5. Patented hair-proof wheel, no hair-catching, noiseless, ultra smooth 6. Deluxe round base, height-adjustable stand pole