PVC cover- This ID card holder is made of PU, and the detachable wristband metal buckle is made of stainless steel, strong and reliable, thick and durable. Multiple slots for cards- The front ID window has a transparent cover for visibility and protection, and there are two card slots on the back, you can store more cards, very convenient; Convenient and Portable- ID card holder with detachable lanyard and metal clip, very convenient to carry; FITS SIZE- Each security blanket size is 11.5 x 7.5 x 0.5cm / 4.53 x 2.95 x 0.20 inch. Standard inside diameter ferrule size, no need to cut; WIDELY USED - Essential for every workday, training day, meeting or conference. You will receive a dark brown card sleeve and a brown card sleeve