The extremely durable PVC material is designed to last . It can withstand anything you might have in your shower, hot and cold temperatures, humidity, chemicals from shampoo or soap, and so on. The bristles are a perfect combination of flexibility and elasticity. They feel soft and comfortable for your feet but are strong enough to do a good job. So clean your feet, scrub them without bending over and enjoy the feeling of a wonderful massage. The foot massager is the perfect 3-in-1 solution for your shower!