Material: This knee pad is made of nylon, high-stretch latex thread and sponge. Adjust leg circumference to 38-52 cm (14.9 * 20.4 inches). Comfort: An ideal knee pad for indoor sports as well as outdoor use. Ergonomic design, super light. They take up little space in your pocket. Often used: The knee pads are excellent for dancing, volleyball, cycling, skating, training and can also be used as protection during household chores or gardening. They consist of a strong, stretchy \"sleeve\" with thick, heavy foam padding at the front. They fit and stay in place and protect the kneecap and surrounding area well. We believe that customer satisfaction is our most important goal, so our customer service team is always at your service to ensure that your shopping experience is hassle-free. If you have any problems with your product after receiving it, do not rush. Leave feedback, contact us first and we will help you within 24 hours, if you have any questions, please contact us.