Complete food for less active dogs, overweight dogs, or dogs that tend to gain weight quickly. Has low calorie content. Also ideal for aging dogs.Contains natural supplements for joint care.Keeps your dog in good shape and helps maintain a healthy lifestyle when used in conjunction with a suitable exercise program. Always feed Pro Light to your dog's target weight - not his/her actual weight - ask your Vet. 20 Kg bag means lower cost and less ordering trouble. Home delivered.