Each bowl is 4 1/2 inches wide and collapses down to just 3/4 inch and can hold up to 25 fl. oz. of food or water. These bowls are great for pets of all sizes as each can expand to 7 inches tall for large pets of 5 inches tall for smaller animals. The heavy duty nylon pouch wipes clean with a dry cloth and includes a handy carrying loop to attach to a carabiner for easy storage.