ACERBIS MUD FLAP (BLACK) WR 125/250 02-05 Rims & Hubs so what does this mean

so what does this mean

Neoprene collar with contrasting color

This is an in-boot design

250 SX 23-25

CR125/250 10-13

ACERBIS MUD FLAP (BLACK) WR 125/250 02-05 Rims & Hubs so what does this meanFits: YAMAHA WR 125 2T 2002 2003 2004 2005 YAMAHA WR 250 2T 2002 2003 2004 2005 YAMAHA WR 250 F 2002 2003 2004 2005 2006 2007 2008 2009 2010 YAMAHA WR 450 F 2003 2004 2005 2006 2007 2008 2009 2010 YAMAHA WR 450 F 2 TRACK 2004 2005 2006 YAMAHA YZ 125 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2021 2022 2023 YAMAHA YZ 250 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 YAMAHA YZ 250 F 2001 2002