Three layer non-Marking Foot Grounder. No exposed carbon-Ideal for cleanrooms. Non-marking interior a& exterior dissipative rubber-Will not mark shoes or Floor, reduces maintenance costs of touching up Floors. Hook & stretch Loop fastening assembly-Genuine Velcro® material-adjustable and comfortable. 76cm long, 8 strand nylon polyester grounding tab. Does not particulate, superior body to ground contact.