The Falcon Eyes SGA-SB2030S Silver Softbox is compatible with the Falcon Eyes SG-100 Strobe Gun. The SGA-SB2030S has a length of 20 cm, a width of 30 cm and is used to soften the lighting emitted from your speedlite.
 
In order to use the SGA-SB2030S with other speedlites, a Falcon Eyes CA-SGU adapter must be used. .