*Returns not accepted on any opened, used, or defective product. Contact manufacturer directly for further defective products/parts. From Nuna, this system features: This all-in-one PIPA Urbn Flex system gets that parenting demands flexibility, and your gear needs to keep pace with the pivots. So it flexes with your day, transforming from a car seat to a stroller so you can go from parked to pushing and back again in seconds. Frame folds with the car seat ring adapter attached and stands on its own when folded Travel system ready-compatible with the SWIV™ & TRIV™ series bassinet, the Flex system stroller seat, and any PIPA series car seat using the included folding ring adapter Car seat installs with ease using pipaFIX™ or vehicle seat belt-no base or dirty wheels 2-second steel-reinforced pipaFIX™ rigid latch installation Car seat releases from vehicle with 1 hand for quick and easy in-and-outs Auto-reclining car seat foot aids in proper installation FAA certified for aircraft use Car seat is not compatible with PIPA series base or RELX™ base Quick-engaging 1-touch rear-wheel braking system on frame provides scuff-free security Aeroflex™ foam on the car seat is cleverly lightweight, resilient, and minimizes force Car seat features Side Impact Protection (SIP) 5-point harness helps keep travels secure All-wheel suspension and durable, never-flat tires on frame Full-coverage UPF 50+ canopy, extendable and a flip-out eyeshade and XL peek-a-boo window Head support in car seat includes a 2-layer soft surround to accommodate smaller babies Infant head support and body inserts feature environmentally friendly Merino wool and TENCEL™ branded lyocell fiber blend that is soft and naturally moisture-wicking (TENCEL™ is a trademark of Lenzing AG) Large basket holds up to 22 lbs Tracking device pocket in the basket Height-adjustable 3-position pivoting handle Carbon fiber reinforced aluminum frame Carbon fiber's unique weave pattern on the frame Iconic Sky drape™ on car seat pulls down smoothly and attaches quietly with magnets Luxe leatherette accented push bar Includes a carry bag Carbon fiber reinforced aluminum carry handle offers lightweight strength and durability Carry handle is accented with luxe leatherette Integrated magnetic buckle holders on the car seat Machine washable seat fabrics and inserts From fabric to foam and beyond, each element of the car seat is smartly sourced to be both flame resistant and contain no added fire-retardant chemicals Set of included car seat latch guides make the lower anchor bars in your vehicle more visible and accessible for easier installs Flex system frame: Up to 50 lbs Frame Weight: 8.5 lbs. Frame + Adapter Weight: 11.3 lbs. Stroller dimensions (open): L 37 x W 21.5 x H 43.5 in Stroller dimensions (folded): L 23 x W 21.5 x H 29.3 in PIPA urbn: 4 to 30 lbs and 16 to 29 in Weight: 7 lbs without canopy and inserts (canopy and insert approx. 2 lbs) Car seat dimensions: L 25 x W 17.5 x H 22 in Imported.