This unique safety vest keeps your child seated safely in your lap during air travel and helps prevent injury due to turbulence. The vest slips over your child's head and has a special safety strap that attaches to the adult seat belt. Although not yet approved for taxi, take-off and landing, it meets FAA regulations for in-flight use, and exceeds FAA strength standards for aircraft seating. Plush, quilted, machine washable cotton. For infants up to 2 yrs. Select Infant (I) for ages 6 weeks to 1 year, up to 16 1/2" head size or Toddler (T) for ages from approximately 1 to 2 yrs., up to 19" head size.