B&S FEEL 50 Pcs Assorted Color ID Badge Holder Reel Retractable Key Clip Materials: plastic and metal Specifications: Outer diameter: 3.3cm; Inner diameter: 2.0cm Retractable cord, 23 inch cord extension Suitable for use with all types of student cards, membership cards, employee cards, badges and other ancillary use Package Includes : 50 pcs retractable badge reels