Sleeping Cocoon is a must have for new mommy and newborn baby. Helps baby sleep better due to ergonomic womb-like position. The cocoon is extendable and can be used to up to 2 years. It is also reversible and machine-washable. Can be used for co-sleeping., The sleeping cocoon is double sided and comes with ergonomic newborn pillow to support the neck and help baby sleep better.