The pen holder set features 15 black silicone pen holders with a high-elastic dual-textured design, fitting pencils and pens with diameters ranging from 7 to 10 millimeters. Peel off the adhesive backing along the white tab, stick the pen holder in place, and insert your writing instruments into the slots for easy desk organization and quick access. Before sticking, ensure the surface is clean to enhance the adhesive strength of the pen holder. Avoid using on unstable or uneven surfaces for optimal results. With a compact design suitable for everyday use, these pen holders are also an excellent choice as a gift, offering both convenience and aesthetic appeal to the recipient.