Strong and reliable, long-lasting use: the pen holder is made of metal, which can be attached for a long time; the self-adhesive design on the back provides convenience and is suitable for most occasionsRetractable ring: Manganese pen holder with adjustable spring ring, the diameter of each ring can be expanded from 7 mm to 18 mm, which can accommodate most sizes of pens or pencilsAbundant quantity: You will receive 10 self-adhesive pen holders, which are small and light, easy to carry and store, enough quantity to meet the needs of usersSimple and practical gift: The pen holder is very practical for colleagues, teachers, friends, doctors, nurses, etc., it is a good gift to make their lives easier.Scope of application: The pen holder can be attached to dry surfaces such as whiteboards, refrigerators, dry erase boards, bulletin boards, maps, calendars, etc. It is even a good helper for storing shopping lists, pens, pencils, etc.These pen holder clips help store small things and save users from constantly looking for them.color: blackMaterial: metalSize: width 18MMPackage contents:10 x pen holdersNote:Small items. Keep away from children under 3 years.Only the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The allowed measurement error is +/- 1-3 cm.