The Bam Collection bassinet is the beginning building block in the Bam Collection crib set, as it easily converts to the crib with a special kit, sold separately. Made from solid birch and birch ply wood, it is compact in size and is on casters for mobility from room to room. It can easily roll through a 24" door and go just about anywhere in the home. Each caster is lockable and swivels 360°. The bassinet comes with a machine washable, 1" foam mattress pad covered in a soft cotton quilted cover and two soft organic cotton white sheets with a zipper closure. All textiles are made of unbleached, organic cotton. Easy to assemble. Measures 20" W x 30" L x 33 1/2" H. Mattress pad height is 14" below top rail. Conforms to and exceeds all regulations set forth by ASTM, CPSC, and Health Canada.