About This Pen Loop Size Guide: Standard Size - Tight fit for slim pens (7–10mm diameter), such as pencils and slim pens. Not suitable for pens with thick rubber grips. Wide Size - Roomy fit for thicker pens (10–15mm diameter), including G2 pens, markers, and pens with rubber grips or cushions. Never Lose & Keep Organized: This magnetic pen holder securely attaches to your journal notebook or planner to keep your pen always within reach and perfectly organized The Perfect Bookish Gift: Crafted from durable PU leather, it combines a soft feel and elegant look with stain resistance and easy cleaning — making it a practical gift for any book lover Flexible & Multi-Functional: The magnetic design allows for quick, glue-free attachment and detachment. It easily moves between covers and also functions as a clipboard holder, sticky note holder, music stand pen rest, or refrigerator magnet Care Instructions: Do not leave pen clips of different colors in prolonged contact to avoid potential staining Overview Color : 3 Pack Color Set E Material : Faux Leather Item Weight : 0.1 Kilograms Brand : Vane Oak Finish Type : Smooth