These unsightly marks can be removed by using baby wipes. With just a few swipes, the marks will be gone. Many people encounter this often so it is a good idea to keep a box of baby wipes handy.
You can neutralize the sour smell of baby spit up by using a moistened cloth sprinkled with baking soda. Dab the spot with it and the smell will disappear.
If you would like to revitalize worn suede, just rub the material with an old pair of pantyhose. The nylon pantyhose cleans off lint and loose dirt with wearing down the material.