8-Pack Pen and Pencil Loops - Self-Adhesive Pen Holders with Elastic Loop for Notebooks, Planners, Diaries & Calendars - S Premium Quality: Crafted from high-quality PU leather and elastic band, these self-adhesive pen holders offer strong adhesion and flexible elasticity for long-lasting use. The adjustable loop diameter accommodates various pen and pencil sizes, ensuring high quality and durability. Practical Design: Sticker size: 40 mm; Loop size: 18 * 21 mm. The strong adhesive and special elastic band securely hold your pens, so you'll never lose them again. A perfect solution for keeping your pen handy. Suitable size doesn't take up much space but helps you store your pens. Easy to Use: Self-adhesive design with strong adhesion allows you to easily stick these pen holders on any clean and smooth surface and keep them stable. Simply peel off the white sticker and adhere the self-adhesive part to the clean, flat surface where you want it, then wait 60 seconds for the loop to adhere firmly. Elastic Design: The elastic band design ensures a secure hold for pens or pencils of various sizes. The collar keeps your pen firmly in place, preventing loss and making your life easier. Multifunctional: The elastic pen holder can be attached to any smooth surface. Perfect for notebooks, diaries, and other professional uses. Also compatible with computers, phones, tablets, or other devices with a stylus or pen. It's the perfect companion for notebooks, books, diaries, calendars, etc.