Mcupper-Lot 50 pcs Plastic ID Badge chest card Holder Reel Retractable Key Clip Wholesale Price 9 Colors Specifications: Outer diameter: 3.3cm Inner diameter: 2.0cm Can stretch the length of 55-60CM Packing: 50 / box transparent white, transparent purple, transparent yellow, transparent blue, transparent green, transparent red, transparent black, transparent orange, transparent pink, suitable for use with all types of student cards, membership cards, employee cards, badges and other ancillary use