Product information material:PU colour:black size:11*7.2cm/4.33*2.83in lanyard length:40 cm package details: 1*PU leather ID card holder black and lanyard Easy to use: The transparent appearance of this plastic badge holder allows others to easily view your information and allows the scanner to quickly read your work card. More importantly, the thumb slot design can help you slide the cards up and down, which is very suitable for people who need to carry multiple cards frequently. Applies to: This set of transparent ID card case and black neck lanyard is suitable for outdoor activities such as going to school, commuting, attending meetings, etc. It is convenient to carry and prevent loss. It can be applied to students, teachers, office workers, volunteers, etc. Notes: Please store in a dry environment, and properly protect the expansion ring. If you have any questions after receiving the product, please contact us in time. We will try our best to solve your problem.