Doona. Doona Convertible Infant Car Seat/Compact Stroller System with Base. An innovative all-in-one travel system includes an infant car seat that's got its own compact stroller and integrated wheels built into the base.Why parents will love it: The seat is certified for air travel, making it easy to get sleeping babies from one plane, down the concourse and onto the next plane.Why kids will love it: Baby can keep snoozing as you arrive at your destination and start strolling, or finish your walk and get ready to load up the car and head home.Maximum child weight/height: 35 lb.; up to 32". Stroller weight/dimensions: 16.5 lb.; 17.3" x 23.6" x 26" folded; 17.3" x 32.3" x 40" unfolded. Fold: One-step fold/conversion from car seat to stroller. Safety Features: Three-layer side-impact protection, thick, protective padding inside and a LATCH base that can stay in your car for convenient snap-in, snap-out travel (although the seat can be used safely without the LATCH base) make it convenient, safe and very easy. Anti-rebound protection. Harness: Adjustable five-point harness with padding Car installation: LATCH base is included; seat can be used with or without included base. Tires: Front swivel wheels, larger back wheels Car seat compatibility: The seat is a rear-facing infant car seat; no need for additional adapters. Includes LATCH base and vehicle seat protector Five-point adjustable safety harness Adjustable-height push handle Extendable sun canopy PVC- and BPA-free materials Textile/polyurethane/polyethylene . LTKbump LTKfamily LTKbaby