Package Includes:Pen holder of the notebook package includes 10 self-adhesive pen sleeves, one each in black, red, white, dark brown, blue, gray, dark green, light green, orange and pink. The multi-color self-adhesive pen holder can meet your daily needs and can be applied to different notebooks.Strong Adhesive:All these leather pencil ring holders have high-quality adhesive on the back of the leather. The adhesive is very strong and can have good adhesion. The sturdy pen holder prevents the pen from falling off the notebook easily. You can carry and use the pen at any time, so that you will not forget to bring the pen when you are in a meeting or going out, avoid embarrassment and provide a good user experience.Suitable for All Notebooks:Adhesive pen holder with elastic band, basically suitable for all pen types. Don't worry about the pen size will hinder the use. Suitable for diary, notebook, planner, calendar, book or large screen phone/desk pad.Multifunctional Self-adhesive Pen Holder:Self-adhesive pen holder is suitable for doctors, nurses, teachers, pilots, college students, at home and school, it is a good carry-on item, and easy to use, only need to glue Peel off part of it and paste it on the back cover of the diary.Easy to Use:When using, just peel off the adhesive behind the notebook pen cover and stick it on the article, and then it is best to leave it for 24 hours to make it more stable. You can stick the sticky part on the protective cover of the notebook, but it is not recommended to stick it directly on aluminum or metal because it will affect its use.