New streamline size (34"x 20'x31") fits in smaller bedrooms. Wheels on one end makes moving around the house and through doorways much easier. Bassinet feature - Ideal for naptime as well as bedtime. Can be used as a changing table as well. One large storage space underneath the mattress offers secure zipper closing. Four side pockets for convenient added storage. The liner inside the sleeping nest is built in. Very easy to assemble. The only separate parts are the mattress and the carry case.