Warning - 1. WILL NOT PROTECT AGAINST DROWNING. USE ONLY UNDER CONSTANT SUPERVISION. THIS IS NOT A LIFESAVING DEVICE. DO NOT LEAVE CHILD UNATTENDED WHILE DEVICE IS IN USE. 2. THE BUOYANT TAIL MUST BE INSTALLED DURING THE ENTIRE PROCESS OF USING THE CHEST FLOAT, AND THE BACKSTROKE POSITION CAN ONLY BE USED BY BABIES LESS THAN SIX MONTHS UNDER THE FULL SUPERVISION OF ADULTS.