Package Content: You will get 4 pcs pen loop holders, enough quantity for daily use or sharing with others; There are 2 colors in the PU leather part, which can match your different style notebooks. Anti-lost Design: Our pen holder consists of a PU leather sleeve, stainless steel, and copper clips, which can be applied to clip on your notebooks and hold pens tightly, they don't fall out easily when installed on your notebook, keep your pen organized, and no more missing pens. Universal Pen Holder: The notebook pen holder Can be used for most standard-sized pens/pencils, or just use as a bookmark to keep your place in any book. You can make notes, drawings, plans and sketches with your favorite pen or pencil to hand. Easy to Carry: These pen holders match with your notebook very well, they are lighweight and easy to carry with you, so there will always be a pen or pencil always there for you to use with your notebook or journal, no need to search for something to write with all around, save your time and efforts. Wide Application: The retro style clips are mainly used to hold pens to notebooks, schedule books, scrapbooks, journals, planners, and calendars. Also can be used with computers, or other devices with a stylus/pencil. Suitable for students, teachers, postmen, doctors, nurses, and other careers.