The product is a Rear Wheel Bearing and Hub Assembly designed specifically for the Toyota Sienna model years 2011-2020 with All-Wheel Drive. It includes items such as grease and is made of steel material with a polished and rust-protected finish. It comes with a 10-year manufacturer warranty and has a direct fitment type for easy installation. The assembly also includes a wheel stud quantity of 5, a spline quantity of 26, and a bolt pattern of 5x114.3mm. It is designed with an anti-lock braking system and is compatible with specific Toyota Sienna models.