This promotional offer applies only to the listed variants starting with 610189xx xx variant identifier applaws cat tuna loin is an exclusive snack food made from 100 premium tuna fillet the succulent fillet pieces are from tuna sourced from sustainable fisheries the manufacturing process avoids the use of grains or soya as well as other vegetable based ingredients making applaws cat tuna loin an ideal snack for cats that have grain allergies or sensitivities with applaws cat tuna l