Made out of high quality eco-friendly PU foam. Thus, it will not absorb moisture during your exercise and can easily be washed in warm water and soap then dried with a towel. Ergonomic shape Yoga knee pad cushion helps to avoid or alleviate joint injuries and pain relief for hands, knees, head, elbows and tailbone. Great fitness tool to incorporate for sore joints and during injury recovery . We designed this extra thick knee pad not only for Yoga, Pilates etc fitness use, but also for gardening ,bathing your kids, or as a seat pad. Designed by professional sports trainers, our yoga knee pad and fitness pad has a concave center to perfectly accommodate your knees, elbows, hands and head while maintaining balance and stability Our yoga knee pad and fitness pad is constructed of 15mm thick high density, high quality gel foam that has a non-slip surface to stay in place.