The Nuna Mixx baby stroller features a no rethread harness for custom height adjustments and a removable & reversible two-piece seat pad that grows with baby. Plus its smooth maneuverability allows you to push with one hand, for some fun spins along the way. It has a quick release, five point harness that converts to a three point harness, and an automatic quick-click fold lock and trolley function when folded. It also has a simple, one-touch, rear wheel braking system and pairs perfectly with the PIPA series car seats and the MIXX series bassinet. Suitable from birth to about 22.6kg.