Support your cat's immune health with a delicious treat they're sure to love by serving them Purina ONE Plus Immune Support Purees With Real Tuna liquid cat treats. Formulated to support a healthy immune system, these lickable cat treats feature Vitamin E and Omega-3 fatty acids for a treat that tastes good and is good for them. Each protein-rich puree cat treat is made with real tuna for cats and has a smooth texture that's easy to enjoy. The lickable treats come in easy-serve tubes sized just right for an effortless way to treat your cat with less mess. The treats can be served directly from the tube for a special bonding moment, squeezed onto a dish for a between-meal snack or added to Purina ONE dry cat food as a nutritious topper. Purina ONE Plus Immune Support Purees provide a healthy nutritious and delicious snack made without fillers for a treat you can feel good about serving your cat.