Prevent or treat diaper rash in your baby with Vaseline Baby Fresh Scent Nursery Jelly. This jelly prevents children's skin from drying out to provide them with comfort. This Vaseline Vaseline comes in a 13 ounce jar, which packs a punch. Vaseline Baby Fresh Scent Nursery JellyTreat and prevent diaper rash. Protect your child's skin with baby vaseline.