Dual-Hole Gourd Design:Features a uniquely shaped two-hole structure—narrow top for slim pens and pencils, wider bottom for markers and fountain pens. Flexible silicone expands to securely hold pens from 7mm to 13mm in diameter. Strong Anti-Slip Grip:Deep internal texture and round tube design ensure a firm hold on various pen sizes, preventing slips and falls. Keeps your workspace tidy and writing tools always within reach. Easy Installation & Reliable Adhesion:Comes with strong adhesive backing and extra reusable stickers for easy mounting on desks, walls, clipboards, monitors, and other smooth surfaces. Wait 12 hours after application for maximum hold. Durable & Safe Material:Made of food-grade silicone, resistant to wear, water, and cracking over time. Easy to clean and safe for use in homes, classrooms, offices, and around children. Versatile Use & Space-Saving:Ideal for decluttering desks, organizing supplies in classrooms, offices, cars, or kitchens. Compact yet highly functional—perfect for students, teachers, professionals, and anyone looking to simplify daily tasks.