XIANQI Comfortable to Use: There are two slot holes on the side ideal for a ball chain necklace, strap, or string thread and a middle slot for a lanyard, keychain or retractable carabiner reel clip. The hanging slot holes will not break as they are made from strong plastic materials.Practical Design: The ID badge protective cases are open-face designed, allowing for ID to be seen clearly. The double-sided ID badge holders are designed with a dual card slot, which can hold 2 standard ID cards at the same time, making your life easier.Size: The open face id card holder is made of plastic which is lightweight and easy to carry, wear-resistant and not easy to break, which can serve you for a long time. The external dimensions: 8.9*6.6cm/3.5*2.3inch, internal dimensions: 8.6*5.4cm/3.38*2.12inch.Color: These plastic pass protectors are in white color, versatile and eye-catching. There is a chain hole in the badge holder which allows for easy connection to a lanyard or badge reel, convenient for a variety of occasions.Wide Used: These double card holders are compatible with many types of cards, such as school cards, kids bus passes, ID cards, access cards, membership cards, driver licenses and more.Specifications:Material: PlasticColor: WhiteSize:The External Dimensions: 8.9 x 6.6cm/3.5 x 2.3inchThe Internal Dimensions: 8.6 x 5.4cm/3.38 x 2.12inchPackage Includes:10 x Open Face ID Badge Holders