Versatile bassinet secures to side of adult bed and adjusts to the correct height, 22-291/2 from the floor. Voice -activated music and vibration help soothe baby. Soft-glow night light, too. Sheets and hanging diaper bag are polyester/cotton. Changing table holds baby up to 25 pounds. Requires 4 AA batteries, not included. Simplicity for Children offers a wide variety of Collections - Bassinet