Easy to Foam Rubbing the soap bar with the rotation of the 4 sawtooth sponge rollers. Soap roller dispenser dimensions(L*W*H): 4.9*2.8*2.8 inch. Compact, light and portable soap foaming box is great for small space usage and storage.Works well on bathroom vanity, kitchen countertop, desktop, etc. A great on-the-go item for your tour, business trip, etc. The soap roller dispenser is made of high quality PS plastic material, compact and lightweight, solid and durable, not easy to be damaged. More importantly, Its material is safe for children and can also prevent them from accidentally ingesting soap. Perfect combination of soap dispenser and soap holder. Rubbing the soap bar with the rotation of the 4 sawtooth sponge rollers to make a lot of bubbles for a better cleaning effect. The drain hole at the bottom ensures that it can drain quickly and stay dry,and the pressure of the spring ensures that the bar soap is fully used.