Great value for your money: 50 high-quality clip bricks in black color. You can quickly organize your ID cards in your belt, pockets, backpacks, handbags, waistcoat, or pants. The insertable key clip is ideal for business cards at the office and in daily life. Exceptional craftsmanship: The shell of this high-quality ID holder is made of ABS material and metal, robust and durable. The strap is made of nylon, strong and not easily broken. The length of the insertable strap is 23.6 inches (60 cm). Wide range of applications: This ID card holder with ID clip straps is widely used in all areas of life. In schools, it is used to hang teachers' work permits and students' school ID cards. In hospitals, the expandable ID holders are used by nurses to hang keys and work permits for medical staff. The insertable ID clip is suitable for teachers, students, nurses, workers, and volunteers. Perfect for DIY: The ID clip has a diameter of 1.26 inches and a strap length of 23.6 inches. The most basic style provides excellent conditions for DIY crafting. These handcraft enthusiasts will attach stickers, rubber cards, and fake diamonds to create various exquisite styles.