2 Card Holders: Internal Dimensions: 8.9L x 5.8W (cm). Holds 2 standard 8.4cm x 5.3cm credit cards. Perfect for ID cards, driver's licenses, badges, passes and more. Not suitable for thicker cards! EASY TO USE: The practical thumb slot allows you to easily slide the card in/out with just one finger. The convenient top-loading design holds the card tightly in place to prevent it from falling out. Heavy Duty: Rugged polycarbonate housing resists heat, abrasion or breakage. The stainless steel badge reel is rated to withstand 100,000 pulls. Its stretchable nylon cord extends smoothly up to 61cm. Crystal Clear: Carefully crafted for maximum transparency, presenting you with ultra-clear visual effects. Easily read or scan your cards without removing the lanyard or case. Easy to carry: Comes with a detachable carabiner and a durable belt clip. Secure items to pockets, belt loops, backpacks or zippers and take them anywhere with ease.