When the family grows bigger, the GAZELLE S can be changed from a Mono to a Sibling pushchair or used as a Twin pushchair by adding the second seat unit. Extending the pushchair and adding the Second Seat Unit is child s play with a simple Plug-and-Play system using the integrated adapters (no additional kits needed). ERGONOMIC LIE-FLAT POSITION: Ready for use from birth, the huge seat unit is robust, comfortable and can be adjusted with a one-hand recline to an ergonomic lie-flat position for even the smallest of babies. XXL UPF50+ SUN CANOPY: Shield your child from the elements with an extendable XXL sun canopy made of UPF50+ protective fabric, featuring a mesh window for breathability and healthy air circulation on hot days. COMFORT LEVELS: There s no danger of arguments over who has to sit in the second seat: both seats have the same high level of quality and luxury, so that the little sister or brother will feel just as comfy as their older sibling with no limitations on their comfort. REVERSIBLE SEAT UNITS: Whether forward-facing or parent-facing, the Gazelle Second Seat can be easily adjusted to the desired position in just a few simple steps. Second seat unit to be used in the upper position. From birth up to 22 kg (approx. 4 years).