... Suitable for use clean rooms. Elastic antistatic wrist strap with grounding cord,Cordless antistatic wrist strap,Antistatic wrist strap:Meet ESD control standard,Conductive Plastics & Rubber ... conductive cloth woven with conductive fibre,It wraps around your wrist,and is simple to fix, undo, and safeguards ... feel free to contact with me! ESD Elastic antistatic wrist strap with grounding cord