HIGH-QUALITY MATERIAL: Our self-adhesive pen holder is made of high-quality silicone material, BPA-free, child-friendly, safe, and durable. Our pen holder ensures a carefree experience for children and offers a safe and secure way to organize pens. TWO-HOLE DESIGN: Our self-adhesive pen holders feature two gourd-shaped holes, narrow at the top and wide at the bottom, with a thin core. The round tube shape with a deep non-slip texture on the inside ensures that the pen holder securely holds various sizes. KEEP YOUR WORKSPACE TIDY: You receive 20 pen holders, enough to meet your needs. Small and lightweight, easy to carry and store, it does not take up too much space. This pen holder clip not only keeps your study/workspace organized and comfortable but also keeps the pens you want within easy reach, so you can grab them easily and learn or work more efficiently. NON-SLIP DESIGN: Our silicone pen holder features a self-adhesive backing that can be easily stuck to any smooth surface. It also leaves no traces after use. Thanks to the strong adhesive backing, you can firmly stick the silicone pen holder to your desk, refrigerator, computer, tabletop, clipboard, or any smooth surface without fear of it falling off. WIDE APPLICATION: Perfect for cars, schools, offices, banks, hospitals, desks, and anywhere you need pens. This desk pen holder is suitable for various neutral pens, ballpoint pens, pencils, as well as markers, etc.; suitable for pens of different sizes.