[Extendable Nylon Cord]4pcs retractable badge holder, The easy-pull buckle is strong enough to put the key ring on the belt, retractable cord up to 60cm, and it can be stretched out to open the door when in use. Let it go when not in use, it will automatically spring back to the waist, avoiding the frequent loss of keys caused by random throwing. [Unique Design]Elastic string of reasonable length and easy to use.each badge reel has keychain and plastic buckle, Suitable for Multiple securing points for keys/ID badges a must for staff, easy to clip your badge and ID card set. [Snap Separation Design]You can remove the snap from the key ring as you want. It is a useful tool for adults and children, suitable for family camping, hiking, and other outdoor activities, preventing loss and keeping it neat and tidy. [Wide Application]Retractable key ring can be widely used in office, home and outdoor activities, such as fishing and hiking, and can be used with ID cards, access cards, keys, etc. Colour:Black Material:metal+plastic Size: 13 x 4cm Package Contents: 4 x Keychain Only 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.