Toffee also has a steadily growing following among ramblers and walkers, who like twist wrapped toffees in bags as a compact source of energy for people on the move. 50% of toffee purchases are on impulse, for self-treating - there is nothing better than a bag of delicious toffee to munch on in front of the TV. Also, the 2lb slabs and big tubs are very popular for sharing, especially at Christmas.