The first and foremost important thing for baby is Crib and its bedding where baby can feel comfortable and for parents also-they can leave their baby alone without worrying much about baby's safety.
Baby Bedding comes in sets else you can also buy in pieces as per your budget and requirement.
Changing Pad Cover
Curtains and Valances etc
-You can choose among them which you requires for your baby the most and you can search A2zchild, a store on web who deals in baby bedding and purchase, they are very affordable and attractive.