 "16 Rods Octagon Softbox with Grid for Bowen or Alien Bee Monolight Strobe Studio"
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The 16 Rod Octagon softbox is an essential light modifier for 
commercial, fashion, and portrait photographers. This parabolic softbox 
is designed to produce a beautiful soft round light with a natural 
vignette.  It features a deep parabolic construction creating stunning, 
wrap-around light.  The dual layer inner diffuser helps eliminate hot 
spots for even lighting and very smooth fall-off.  Choose the  version 
of the softbox with the grid for even finer control of the spread of 
light.Dimensions: 36" Diameter x 24" Deep" 
 "DSLR Matte Box for 15mm Rail Rod System D90 5D 60D 600D, mattebox (Blue)" "Buy Photography and Camera Supplies from #1 Store in Dallas | Cowboystudio.com"
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This DSLR Matt Box is compatible with any standard 15MM rail system for your DSLR rig or cage. A matte box is used to help block the sun or other light source in order to prevent glare and lens flare.  Another purpose of a matte box is to hold glass or plastic filters in place in front of the lens." 