Amazon with Warehouse Deals has the Whiskas Temptations Multi-Pack Treats for Cats, 3.0-Ounce Bags (Pack of 4) for $6.21 with free shipping on $25+. Crunchy outside and soft inside, helps control tartar, and is nutritionally complete.
http://www.amazon.com/gp/product/B00...A2L77EE7U53NWQ