Widely used for various setting such as school classrooms, office meetings, homework, and creative art project. Fit on various wood pencils diameter within 0.7mm (round rod, triangular rod, hexagonal-rod), fountain pen, ballpoint pen, gel pen, watercolor markers Enhancing your writing with our Foam Pencil Holder Grip, designed to finger fatigue and provide comfortable grip for prolonged use These ergonomic pencil holder grip not only protect your fingers but also encourage proper hand positioning, making it essential tool for your writing tool collection Suitable for righties and leftie kids, preschooler, toddler, students, adult, office workers, artists, and anyone who needs to write for extended periods Crafted from sponge, these ergonomic writing aid grip is soft yet comfortable to hold, featuring various bright color that is easy touse