Economy Foot Grounder, Heel, Non-Marring, 1 Meg Resistor. Dual layer rubber. Non-marring interior. Will not mar shoes. Hook and loop fastening system. Adjustable and comfortable. 24" long nylon polyester grounding tab. Does not particulate; good body to ground contact. Rg: 1 x 106 < 1 x 108 ohms per ESD SP9.2 7 ESD TR53. Made in the United States of America.