Anti-slip Base: the rubber ring around the bottom makes sure it stays in place and does not tip-over. | Professional Durable Construction: made from the solid injected molded plastic for long lasting use and high quality texture. | Washable & Reusable: no chemical reaction with color. It cleans easily with rinsing water. | Easy to use when working with 1 hand, allows for easy mixing and application of your hair color. | Package comes with 3 coloring bowls. Excellent for tint mixing, hair color mixing. Ideal both for salon or home DIY uses.