Not only will this mat prevent you slipping in the shower or bath but it will massage your feet at the same time the entire surface is covered with varying sizes of reflex bubbles that apply gentle pressure to the undersoles of your feet when standing in the shower or to your back when relaxing back in a bath tub at the front of the mat is a pod of flexible bristles allowing you to wash your feet and between your toes without bending overmade of pvcmeasures 15 x 15integral hanging hole