I know there is a more expensive set of straps, and in hind-sight I guess I should've gone with those. I got these and they mostly held the bag to my bike, but at several stops I noticed that they were not as tight as when I'd headed out in the morning. One time this caused me to loose a small accessory bag that worked it's way out. Fortunately it was on a dirt trail and I was able to find it, vs the interstate and me being responsible for someone losing a windshield. I'm sure my load shifted some in the soft bag and that caused some of the slack, but I feel the majority was the result of slippage within the straps/fasteners themselves.
