Telescopic pull ring, diameter: 3.2 cm, rope width: 15 mm. 【High Quality】The ID card holder is made of high-quality PP material, sturdy and durable, and not easily deformed. The combination of the clip and the lanyard is very secure, providing better protection for your documents. The strong polyester rope is durable and not easily broken. 【Practical】The four corners of the card holder are rounded to prevent scratches on skin or clothes, making it safe for both students and adults. 【Adjustable Lanyard】The ID card holder comes with a telescopic buckle, and the rope can be extended up to 60 cm, allowing you to freely adjust the rope length for great flexibility. 【Easy to Carry】Very lightweight, easily fits into a bag, purse, or folder. 【Wide Range of Applications】Suitable for ID cards, work permits, employee cards, credit cards, membership cards, passports, transport cards, etc. Suitable for offices, schools, factories, exhibitions, etc. Ideal for office workers, students, teachers, workers, exhibition staff, etc. Scope of delivery: Two pieces