The Stokke® Sleepi™ Crib System offers a classic, elegant oval design void of hard-edges. Like all Stokke® products, the Sleepi™ is designed to grow with your child and can be used from birth through the beginning of the toddler years with its included additional parts. It converts from a bassinet to a crib in one simple step and has four adjustable mattress heights. Its lockable wheels can be released to 'rock' your baby to sleep and for easy moving of bassinet from one place to another. Crafted from European beech wood. Mattress set sold separately. Measures 32" L x 25" W x 33" H. As a crib, it measures 50" L x 29" W x 33 1/2" H. Seven year warranty on wooden parts.