Aketek Lot 50 ID Badge Holder Reel Retractable Key Clip Wholesale Price 10 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 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 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 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