Make mealtimes a breeze with these delicious wet food fish recipes from Wainwright’s. This variety pack contains two delicious flavours – Tuna and Whitefish – to help keep your cat’s interest piqued and appetite up. They contain a single source of protein and important natural additives to keep your cat in tip top condition, inside and out.What Does Single Source Protein Mean? Wainwright’s recipes are made with protein from a single source – just chicken or fish, for example. For your cat, this means a tasty nutritious meal made with a protein they enjoy. For you, it means finding a food that agrees with them is so much simpler.