PRO PLAN Puppy Sensitive Skin & Stomach All Size Salmon & Mackerel Dry Dog Food is complete and balanced food for all size puppies with skin and stomach sensitivities. It combines all the essential nutrients that puppies need, including colostrum - proven to boost the immune system and protect them from common intestinal upsets. PRO PLAN Puppy Sensitive Skin & Stomach All Size is made with high quality salmon and mackerel, perfectly cooked for delicious taste.