Package includes: you will receive 8 black pen loop self-adhesive, these pen loop holders support your use and easily fit your notebooks, planners, calendars, clipboards, flip charts and iPads. High-quality materials: the pen loop is made of leather and adhesive. The leather has a luxurious finish and on the back of the leather there is a high quality 3M adhesive that sticks strongly and firmly to any smooth surface. The loop is made of a strong elastic material that holds your pen securely and is suitable for most pen sizes. SizeThe pen holder self-adhesive leather side measures 4 x 4 x 0.1 cm and the elastic band is 1.5 to 2.5 cm long and 2 cm wide. Ideal for most handwritten notebooks, calendars, diaries, planners, journals, iPad cases, tablet cases, etc. Easy to carryThe pen holder notebook is compact and easy to carry, making it even easier to carry your pen along with your notebook. Attach your pen securely to your notebook and never lose your pen again. VersatileThis pen ring holder can be used for diaries, notebooks, planners, books, calendars, etc. It is convenient for doctors, nurses, teachers, students, engineers, pilots, lawyers, etc. and makes your work and daily life more convenient, efficient and tidy.