That is not what it is. I love the Kolstein rosins, but, they are not even consistent from the beginning of a gig to the end. This stuff stays grippy on my bows between gigs. The consistency is the real selling point, I imagine whatever makes the cake last has to do with it.Personally I can't justify the price of Wiedoft which to me is just a square version of Kolstein soft. YMMV...