The CYBEX Gazelle S Seat Unit is a second set unit that easily attaches to the Gazelle S pushchair frame, allowing you to carry a second child or twins in equal comfort. Features: Integrated adapters XXL UPF50+ sun canopy Ergonomic lie-flat position Use from birth to 4 years (approx) or 22kg To be use in the upper position on the pushchair Reversible - can be either forward or parent facing Compatible with the Gazelle S stroller