The Lulla doll is safe to use for babies from birth. For sleeping babies under 12 months the Lulla doll should always be placed outside of the crib, or sleeping area, as recommended in the AAP guidelines. Older children can hold the Lulla doll close to feel calm and comforted.Lulla doll can be securely attached to the outside of a crib or bed with attachment straps hidden inside a pocket on it’s back. The straps can also be used to fasten the doll to a stroller or car seat for comfort on the go.The benefits of the doll can be experienced when the sound is turned on, even when placed out of reach. The design of the doll is based on multiple scientific research on the positive effects of real-life breathing and heartbeat sounds.The sound has three volume variations, the highest at 65 dB, making it safe for prolonged use for babies sensitive hearing.The doll is machine washable at warm temperatures, making it safer for babies with underdeveloped immune and respiratory systems. The Lulla doll is safety tested and certified according to European, US and Australia/New Zealand standards. The Lulla doll is thoroughly safety tested to be suitable for newborns. However, it is not recommended to have loose items in a crib with a sleeping newborn from birth to 12 months. Because of this the doll is also designed to be a crib-attachment, with velcro straps hidden in a pocket on its back for easy attachment to most cribs, car seats, strollers and other carriers. The volume of the sound is 65dB making it safe for babies sensitive hearing.