Premium Silicone for Sweat-resistant & Easy to Clean-- Made from non-toxic and latex-free silicone material, which is soft to touch, odorless and eco-friendly. More importantly, it will not get deformed. Plus, it is easy to wash and dry because it does not absorb any water whatsoever. Concave Center & Non-slip Grip Back-- A concave center that can perfectly accommodate your knees, elbows, hands, head and other vulnerable parts while maintaining balance and stability. It hug your boney parts, alleviating pain and discomfort, making yoga or exercise a pleasurable experience. Extra-thick Protector-- Thickness-wise, these silicon knee pads are a touch above 3/4th of an inch (about 19mm). The extra-thick category makes them ideal for all kinds of non-yoga uses too. Great for yoga, flat support, pilates, abdominal wheel, abdominal exercise etc. Provides Cushion & Support and Reduce Joint Injuries-- Whether you are yoga-naive or a pro, it's perfectly normal to feel some strain in your wrists and knees. But these thick round yoga knee pad cushions are highly effective at reducing stress and discomfort during yoga flows. Easy to Carry & For Use on Any Surface--The 6 inch / 150mm diameter and carry bag make it easy to toss these disc-shaped pads in a gym bag and carry to the studio. Each one weights just only 0.5lb / 230g, lightweight and portable