Originally Posted by Innocent Criminal
Those were some cheap bags that were on sale for like 8 bucks from an equestrian supply place. After a couple of miles of dirt I concluded that tank panniers won't work for me offroad, they won't let you get up on the tank. I'm probably just going to get a wolfman enduro tank bag and call it good.
I've found these
The measurement is close to requirements: 10"*13"*4"
And cheap as chips.
Horses and bikes, closer than one might think.