Polyester, Plastic Imported The easiest infant car seat to install number 1 rated infant car seat in America 5 point harness adjusts with one hand Full body inserts for newborns 4-11 pounds to protect smaller babies Spring assisted level foot, bubble levels, and Center-Pull adjustment for easiest installation No.1 rated infant car seat in America 5-point harness adjusts with one hand Spring-assisted level foot, bubble levels, and ''Center-Pull'' adjustment for easiest installation