This secondary cover set is perfect for refreshing an older car seat, changing the design to keep it interesting for the child, or having a backup cover. The Marathon Click Tight Cover Set includes a cover, head pad, comfort pillow, EZ-Buckle belly pad, and two comfort pads. The covers are made of 100% polyester with polyurethane fill. This cover set is compatible with Marathon Click Tight car seats manufactured after July 2014. Not compatible with Marathon Classic or G4 models.