- Super elastic loop: loop is made of super elastic rubber, ensuring your pen stays secure and does not slip out during use. - Fits most notebooks: the size 1.57 x 1.57 inches fits easily on most journals, planners and calendars of any size. - Premium adhesive: each pen loop uses a strong, high-quality adhesive for a secure, long-lasting attachment that resists peeling from the notebook. - Practical and reliable: simple to apply and securely holds standard pens. Use scenarios: - Everyday planning and note taking: attach to a daily planner or notebook to keep a pen within easy reach for quick notes. - Travel or field use: affix to travel journals or field notebooks so a spare pen is always handy in busy or crowded environments. - Large calendars and schedules: place on big planners to have a pen ready for marking dates and reminders.