Rachael Ray Nutrish Purrfect Entrees Grain Free Wet Cat Food with Tuna & Veggies, 2 oz. Cup

In the past I fed my cats various Purina wet and dry food. They would eat and vomit all the time! We thought "S" did because she always ate too fast and ate her sister's portion too! Then I did some research and bought the one for "sensitive stomach" better but the vomit was more liquid (harder to clean up). Mind you, neither cat ate a regular size portion: 1 can would feed BOTH of them for 3 nights, anymore would go to waste (they walk away); then I used the envelopes 2-3 nights. *They always have dry food available all day in a self serve. Our cats are 5yo, but look much younger (people are always shocked - some thinking they are kittens because of their size), especially "G" because she's so skinny (we say she has adhd because she runs all around the house... being chased by her sister or something scared her). Anyways, even though G didn't eat much, she always mowed for dinner when I'm in the kitchen, but S would stay quite. After reading materials that stated what some ingredients could make cats (