*Returns not accepted on any opened, used, or defective product. Contact manufacturer customer service directly for defective products/parts. From Nuna, this travel system features:Mixx™ Next Stroller: Recommended use: Birth to 50 lbs MagneTech secure snap™ is a self-guiding magnetic buckle that auto locks Includes ring adapter for an easy on/off one-click travel system Fold-away axle™ for more compact fold Rear-wheel Free flex suspension™ and front-wheel progressive suspension tech Removable two-piece seat insert grows with baby No-rethread harness for easy adjust Tough, rubber foam-filled tires for any terrain One-touch, rear-wheel brake system Easy to flip seat and switch to bassinet/travel system mode Quick release 5-point harness for secure strolling True-flat recline for newborn comfort 5 position recline easily adjust with one hand Adjustable calf support with footrest Auto quick-click fold lock and trolley function when folded Height-adjust & luxe leatherette accented pushbar and armbar UPF 50+ canopy, water repellent, extendable and flip out eyeshade, ventilation panel and window 2 compartment basket includes zip pocket Cell phone pocket on seat back Removable armbar Pairs with all Nuna PIPA™ series infant car seats Weight: 28.3 lbs without arm bar and insert (arm bar and insert approx. 0.7 lb) Dimensions: L 32.7 x W 23.6 x H 45.3 in Dimensions (folded): L 27.5 x W 23.6 x 19 in PIPA Aire RX Car Seat: Recommended use: 4 to 30 lbs, and 16 to 30 in. Integrated magnetic buckle Fabrics/inserts are machine washable FAA certified for aircraft use Connects with all Nuna strollers to create a travel system with adapters 5-second steel-reinforced True lock™ installation for swift, simple, and safe Side Impact Protection (SIP) for ultimate baby safety Aeroflex™ foam is lightweight, resilient, and minimizes force transferred to baby 3-position height-adjust headrest and 5-point harness keeps them in place Removable infant head and body inserts Tailor tech™ memory foam seat panel and headrest UPF 50+ canopy with 2 positions and a flip-out eyeshade The iconic Sky drape™ for quiet moments Soft yet durable micro-knit fabric Super-resilient top-of-the-line plastics Exposed aerospace aluminum & luxe leatherette carry handle Fabric to foam are flame-resistant and contain no added fire-retardant chemicals Infant head & body inserts: Merino wool and TENCEL™ GOTS organic cotton infant insert and harness cover set Pipa Relx Base™: True lock™ rigid latch is 50% stronger 4 bubble-free recline positions Integrated anti-rebound panel for additional layer of rear-facing security 4-position rigid latch adjusts to reduce gap between vehicle seat and base Multi-position steel stability leg reduces forward rotation Crumple zone within the stability leg absorbs impact and minimizes force transferred to baby Colored installation indicators for correct connection Imported.