Gently holds up a childu0026#39;s head while napping in a car seat. Soft, breathable to prevent sweaty headsnCrash tested for safety on leading convertible car seats and high back booster seatsnPatented design includes top strap to prevent slipping or being pulled down over childu0026#39;s facenAdorable appliqué animal design that children love w/matching neck pillow, high-grade elastic strapsnEasy to install, adjust and itu0026#39;s washable. Fits convertible car seats-ages 2+, or high back boosters-4+nA first of its kind, the adorable NoBob Car Seat Head Support System is PATENTED and has SUCCESSFULLY PASSED vigorous CRASH TESTING by a NHTSA contracted crash test facility. This lovable and cuddly NOBOB will win your kids' hearts and help them nap comfortably in the car, so you can focus on driving. Designed to gently cradle a child's forehead, NoBob is named after its goal - to make sure there is 'no bob' while they're asleep in the car. NoBob is easy to install, easy to clean and easy for kids to love. NoBob comes in two sizes: 2 years and up (when sitting front facing in a toddler/convertible car seat) or 4 years and up (when sitting in a high-back booster seat). The matching Travel Neck Rest is extra cuddly, whether in a child's arms or supporting his or her neck. Used together, it looks like the NoBob is giving your child a hug! This neck rest is soft, flexible and breathable, so it's super cozy to snuggle with!