Since I will be getting a puppy soon, I read that glass or stainless steel is better then plastic and food should always be a fixed amount, so if you were me, would you rather get this:
http://www.petsmart.com/product/inde...amily&keepsr=1
or this
http://www.petsmart.com/product/inde...amily&keepsr=1
what are the pros and cons of each?