The companion seat is perfect for families with multiples. Pair this with our Z4 stroller and the new Agio Z4 double adapters for endless configurations. The companion seat gives the option of adding another little rider to the Agio Z4 stroller. Easily recline the seat to experience the tilt in space feature or simply reverse the seat to face forward or backwards. Experience The perfect level of comfort, style, and safety with our companion seat.