Britax Safe n Sound car seat booster. Date of manufacture 11/11/2014 Non smoking home. never been in a car accident. Very good condition. Kids out grown it. Can adjust height to very tall. Arm rests provide guide for seat belt position and provide extra comfort Deep side wings provide side impact protection Securely teethered to the vehicle anchor point to provide superior stability in the car washable cover Includes sash guides and cup holders Suitable for children aged 4-12 depending on width of child