As a newbie here, I've seen several posts with questions of these cargo carriers.

I had originally ordered the Honda Carrier until I learned of the BikeMP3 version on this board. My Honda dealer will take the Honda one back but I thought I'd wait so I could put them side by side and provide pics for others in the market for a carrier. Not sure if that has been done outside of text discussions.

As to overall size: Honda measures 11 3/4 inches wide X 10 1/8 front to back.
BikeMP3 Measures 17 7/8 inches wide X 11 1/2 front to back

As to the weight: The Honda, although significantly smaller weighs in at 3.25 lbs and the BikeMP3 at 2.3 lbs. The thickness of the metal used in
each is virtually the same. (sorry, I didn't have a digital caliper to measure them) BikeMP3 correctly states that they use a light
weight alloy.

Both cargo carriers have a recommended weight load of about 6.6 lbs. They are both very stylish. Both offer 4 pins on the underside to hook your bungee cords to.

Hope this helps!