Mudtools Mudsponge - Variety 3 Pack From  £19.08

The quality of the sponges is excellent, no complaints there.
The only thing I'd say is that I can't see much of a difference in the orange and blue "building" sponges, both have a rougher finish for taking off larger inconsistencies in the finish. The white one is a must have as a finishing tool, leaves a brilliant smooth surface for finishing with a soft kidney