bestom heavy duty carabiner retractable badge reel with 2 card open face id card holder & 10mm safe breakaway clip lanyard for nurse staff student (black) bestom this is a package that contains a heavy duty badge reel with carabiner hook & key ring, hard plastic double-sided id card holder ,10mm badge lanyard, one each. the double-sided id card holder can put the employee badge on the front and the access card or driver's license id on the back. you can match with badge reel or lanyard according to your wearing needs.