bodyprox protective knee pads, thick sponge anti-slip, collision avoidance knee sleeve (large) bodyprox <b>features: </b><br> high-density sponge shock absorption protection, effectively resist the impact force. <br> made of high quality material, comfortable and breathable.<br> large elastic force, comprehensively protect your knees while exercising. <br> great for fitness, outdoor sports or training exercises.<p> <b>sport type: </b> football, volleyball, basketball, cycling, skiing, snowboarding, badminton, wrestling, hockey, snowboard, and other extreme sports. <br> <b>material: </b>durable nylon, spandex and eva foam. <br> <b>size:</b>large: 28*17cm for (42-56cm), small/medium: 25*16cm fit for (38-52cm) leg circumference (knee above 4 inches). two sizes are available. <br> <b>weight: </b>6 oz. <br> <b>package contains: </b>1 pair knee pads.<p> <b>notice: </b>the measurement may have 1-3cm (0.39-1.18 inch) inaccurate errors. there might be slight color deviation due to different displays. <p> <b>100% guarantee that you will love this product, or your money back! no questions asked, we strive to ensure that all customers are completely satisfied with their purchases, and have full confidence that this product will go beyond expectations! if you have any questions whatsoever, please don't hesitate to contact us. </b>