Designed to be adjustable in height, the Versatile fits all types of beds! Ideal for small spaces. Features built-in adjustable leg extensions mechanism that allows you to raise the sleeping nest in one inch increments. The sleeping nest clearance can be adjusted to fit adult bed mattresses with heights of 20" to 30". The adjustable feet can extend all the way under the bed, allowing the bassinet to sit on top of your mattress. The feet are also retractable allowing the bassinet to fit close to a platform bed. The bassinet foot print: 36" x 28.5". Product Specs: Height 31.5" fully extended, top of back rail 41.5", front rail 39.5". Please Note: If yu have a platform bed you may need to buy a strap and plate, sold separately. Includes: Mattress, Fitted Sheet, Music Box and Mobile. The music box plays five tunes, three nature sounds, one ocean sound and mother's womb sound. Mobile includes plush hanging toys and color rings. Discontinue use when baby shows signs of rolling over unassisted.