[Easy to use]: What you only need to do is to clip the badge on your apron, collar, shirt pocket or belt, and insert your marker pen into a safe rubber accessory. The retractable pen holder can fix the pen on original position, easily stretch the pen when needed, and loosen it after use. The pen will return to its original position under the pull of the retractable line; it can help you find the pen at any time and avoid losing it.[Usage]Due to the rope length limitation, the badge can be hung on a suitable part. The pen's suspension line needs to be lengthened, and two or more retractable buckles can be linked together as needed.[Size and material]: the diameter of the stretchable round reel is 1.26 inch, and the silicone pen holder's length is 2.36 inch; our retractable badge shell is made of durable ABS, while the cord is made of nylon, with a maximum length of 23.6 inches. The silicone pen holder can provide a good grip to prevent the pen from falling, sturdy metal connect ring provide long-term service for you.[Wide applications]:the appropriate size allows the silicone pen holder to hold most marker pens, woodworking pencils, sharpeners, fine-point markers, etc. It is a practical tool for surveyors, carpenters, architects, students, fieldworkers, nurses, and office workers. Commonly used on the roof and floor, suitable for business meetings, travel, outdoor activities, etc.[Package include]:it comes with 10 sets of retractable pen holders in 10 different colors, I sets for each colors, bright colors are easy to distinguish and find, enough quantity can meet your different daily use and replacement.Save your time and money: Have you ever lost your pen at work place because of borrowing it or dropping it from your ear? Don't worry about it! our reliable stretchable badge pen holder can protect your pen's safety, it will be fixedon your body and hardly get lostSilent design: Lanyard pen is convenient for use by woodworkers, bricklayers and other climbing workers, the sturdy thick nylon rope will not produce noise when stretched and retracted, so you can use it freelyColour: as shownMaterial: ABS+Nylon+SiliconePackage Contents:10 * Retractable badge reels (with Silicone pen holders)Only the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.