The Merrick Senior Dry Dog Food is a high-quality, grain-free diet that is perfect for aging dogs. The food is made with real, deboned chicken and sweet potato, and it is also fortified with vitamins and minerals to help support a healthy body. The food is also low in calories and fat, so it is perfect for helping a dog maintain a healthy weight. The Merrick Senior Dry Dog Food is available in a 22-pound bag.