1.COMFORT&FLEXIBILITY: Soft lining and durable EVA foam padding cushion make your knees work for hours. Elastic and flexible fabric provides supreme comfort during every activity. 2.ADJUSTABLE STRAPS AND NON-SLIP DESIGN: Adjustable non-slip easy velcro fastening system gives secure snug and fits for all-day comfort. Quick and easy to put on and take off. Also, the lap area has a non-slip silicone strip, which is not easy to slip. 3.WIDELY USED: Knee pads wont slip, roll, mark or damage the surfaces when working on rooftops, laminate or hardwood flooring, vinyl, concrete or tile flooring, and other slick surfaces during roof or flooring installation projects. Also for dancing, volleyball, basketball, football activities. 4.ONE SIZE FITS ALL: Super lightweight and provides freedom of movement. Note: The size of this product is too large for the purpose of being suitable for more people. Please check the size on the picture for comparison and choose the right product for yourself. 5.DURABLE: The high-density and durable foam knee pads were designed to withstand rocks, rubble, and moisture, so the knees pad s wont deteriorate. The pads absorb minimal water, but it dries quickly.