retractable lanyard has a food grade silicon is made. Edge. No Smell. They are lightweight and comfortable, no need to worry about breaking. Suitable for a of clothing and a of occasions to wear, it's lightweight and comfortableIt has a clear window to display your name/work . A pocket on the back allows you to carry your ID card, credit card, access card, room card, business ID card, etc. More horizontal and vertical holder card pouches are waterproof. can hold 3pcs credit card size cards.Use retractable lanyard to make your holder easy to use without having to remove the holder at all . cute retractable lanyard is fit for student school card, key, card holder, USB flash drive, ID , charm, etc. It is perfect for V-neck shirts and button-down shirts, and it adds shine and fashion to any other .Material: PUcolour: Fleshy BlackPackage Contents:1 x card coverOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.