At last a comfortable chopper style backrest. Available in a choice of two sizes. Stainless hardware is included and there is also an internal metal plate for sturdiness.  
 
For the standard size, the pad is 9.5" tall by 6.5" wide.   Includes a 16" tall sissy bar in your choice of finish and one set of hardware.
 
For the tall size, the pad is 15.5" tall by 6.5" wide.  Includes a 20" tall sissy bar in your choice of finish and two sets of hardware.
 
Backrest mounting instructions here: https://www.combustionindustries.com/installinstructions