After 5 years of intensive research and development, UBIMED is proud to introduce the LifeNest, a highly breathable and ergonomic Sleeping System for babies. LifeNest is the most unique sleeping system since the invention of the mattress itself! While sleep is the most importatnt aspect of a newborn's life, it is the main cause of anxiety for parents. The LifeNest sleeping system has addressed every parent's concerns to prolong sleep, promote comfort, reduce the risk of suffocation, and diminish overheating. The innovative design provides a curved surface that cuddles the baby. Included machine washable LifeNest Sheet.