The rollers rub against each other to evenly distribute the soap on the clothes and help generate foam, enhancing the soap's effectiveness. Wide range of applications: The soap dish measures 12.5 x 7.5 x 6.5 cm, making it suitable for most standard sizes of solid soaps, body soaps, and handmade soaps available on the market. Ideal for laundry, hand washing, and bathing. Thoughtful design: Features an built-in spring to increase friction during use and a hollow structure that securely holds the soap in place. Keeps soap clean and dry: 2-in-1 function for both washing and storageno need to remove the soap during use, reducing slip risks and improving convenience. Equipped with water drainage and ventilation design to prevent water accumulation, while also offering dust and moisture resistance. Suitable for household and public settings such as home, school, office, hotel, restaurant, travel, and camping. Note: All measurements are manually taken; please allow 13 cm variation. Due to differences in lighting and display screens, slight color variations may occur. The actual product received may vary slightly from the image shown.