The Symmetry positioner is a scientific leap in infant positioning. With clinical trials backing its effectiveness and FDA endorsement recognizing its medical potential, the Symmetry proves to be best of the best. The SIDS Back To Sleep campaign produced a side effect known as Positional Plagiocephaly, or Flat Head Syndrome. The Symmetry is the answer in active prevention. Soft curves contour baby’s head and body while positioning them in comfort. The FloThru cover is breathable to help reduce overheating. A simple and effective reminder system lets parents position their baby correctly. Endorsed by its co-creator, Dr. Hahn. Includes Symmetry Caliper to measure symmetry of baby’s head. * Infant positioner helps prevent Positional Plagiocephaly * Contoured surface helps position baby correctly and prevents from turning * Breathable FloThru cover is designed to reduce overheating * Backed by AMI and University of Southern California with clinical trials * Easy reminding system to show which direction to face baby * Includes Symmetry Caliper to show parents early signs of Positional Plagiocephaly