Strong and reliable for long-term use: The pen holder is made of metal, designed for durable performance. The adhesive backing provides convenient attachment and is suitable for various applications. Retractable ring design: Features an adjustable spring ring that expands from 7 mm to 18 mm in diameter, accommodating most pen and pencil sizes. Generous quantity: Includes 10 adhesive pen holders. Compact and lightweight, they are easy to carry and store, providing ample supply for everyday needs. Practical gift idea: A useful accessory for colleagues, teachers, friends, doctors, nurses, and more, helping to simplify daily tasks. Versatile application: Can be attached to dry, flat surfaces such as whiteboards, refrigerators, wipe boards, bulletin boards, maps, and calendars. Ideal for organizing shopping lists, pens, pencils, and other small items. Color: Black Material: Metal Size: Clip width 18 mm Package Contents: 10 x Pen holder Note: Small parts. Not suitable for children under 3 years old. Contents include only the items listed above; other products are not included. Due to lighting and display differences, the actual color may vary slightly from the image. Measurement may vary by +/- 1-3 cm.