Material: The retractable pencil holder is made of metal carabiner clip and silicone pen holder, the rope is steel wire to prevent wear and tear. The silicone pen holder is strong and sturdy, can firmly hold the pen to prevent falling and losing Easy to use: Just fix metal buckle of the retractable lanyard to the apron or belt loop, and then insert the marker, pen, pencil, chalk into the firm rubber pen holder Package include: You get 4 retractable keychain heavy duty, simple and generous, you can carry it with you and use it at any time and no longer worry about losing your pens Multiple usage: the proper size makes the retractable badge pen holder suitable for holding pen sharpeners, carpenter pencils, fine-tip pens, pencils, pens and markers to avoid losing pens or markers. Great for surveyors, woodworking, construction, roofing, flooring, serving, and more