Convenient Design for You to Apply: you will receive 20 pieces of retractable badge holders in your package, each holder is equipped with a belt clip and a king ring; They are nice for you to hold your keys, ID cards and so on Reliable Zinc Cover: each cover of the ID badge holder is made of zinc material, the ring applies metal and the belt clip applies vinyl, sturdy and lightweight, not break or distort easily; Maximum loading weight is 150 g/ 5.3 oz, namely the weight of 8 pieces of keys Multi Functions to Serve You: these heavy duty badge reels are suitable for nurse, teacher, student, worker, employee and so on; You can apply them to place various items, such as car keys, name cards, bus card and so on Bring You Some Convenience: each heavy duty retractable name badge holder can be applied to many occasions, such as school, offices, travelling, trips, concerts, parties and so on; When you use them, you can find the items you want quickly, without worrying about the loss too much ID Badge Holder Information: the metal badge reel measures approx. 9 x 4 x 1.3 cm/ 3.5 x 1.5 x 0.5 inch; The diameter of key ring is about 2.5 cm/ 1 inch; The equipped wire can be extendable to 72 cm/ 28 inches, convenient for you to apply