PRO PROTECTION - Sellstrom's Ultra Flex III knee pads have a super hard outer plastic shell that’s strong and durable; Made for professionals whose work calls for kneeling, crawling or squatting SOFT PADDING - Triple layer, 3/4" thick, closed cell foam pad provides the ultimate protective layer, plus the best comfort you’ll find. Sold as a pair of 2 knee pads NO PRESSURE - Soft elastic woven straps are positioned well above and below the knee and have a speed clip for quick attachment; Adjustable, unisex design can be worn by adult men and women FLEXIBLE MOVEMENT - Constructed with a metal rivet hinge, which offers ease of movement when walking or kneeling; Non-marking grip strip can be safely used on any floor or surface PROFESSIONAL USES - Heavy duty knee pads are a must-have for all typ.