Do not be tempted to get cheaper nylon straps. These are the replacements for the originals. Includes instructions to make sure you put them the right way round: follow carefully.
Sturdy and comfortable
These straps are sturdy and much more comfortable than the ones I've used before (which were some cheaper naylon straps from another brand). I've been using the Bam straps for about two years now. They are in very good shape and don't show any signs of wear. :)