This pad set was designed and made extra strong with abrasion-resistant nylon, durable plastic caps, neoprene stretch panels, and comfy EVA padding. The knee pads come with a hook and loop closure system so there's no need to take off your shoes to slip them over your feet. The set comes in a reusable mesh bag to help keep them all together when not in use. Also creating less of that wasteful packaging, being better for the environment.