I got ten packs of these in one go before heading on tour and into the studio and I must say they worked well for both. Some would say that for ten of these you could get one high end set for the same price to last as long and they are probably right. I don't care much about that though, these strings did their job and the only problem I ever had was that they were too short for my long scale Traben Phoenix.
For beginners and punk bassists, no problems.