Made of premium quality & food-grade silicone. The moderate hardness of the bristles is very soft and comfort. | Extra Thicker & Larger Dimension: 11.8" in diameter; Weight 11.11 ounces; Great for people of all ages, especially for men's feet. | With hundreds of scrubbing bristles can effectively remove dead skin, calluses, and dirt while massaging your feet with tens of acupressure points and promoting better blood circulation . | Our foot scrubbers with Suction cup on the back are designed to stick to the floor of your shower or bathtub. Clean your feet in the shower, no more bending over to clean your feet. Great for people of all ages, especially for knee pain, pregnancy, the elderly, injured, shower chair and more. | Also can be used as a back scrubbers. Mounting it on the shower wall with suction cup and soaps it up for your back.