*Returns not accepted on any opened, used, or defective product. Contact manufacturer customer service directly for defective products/parts. From UPPAbaby, this car seat features: The MESA is the only infant car seat with a unique technology utilizing a tightness indicator and self-retracting LATCH connectors for fast, accurate and easy installation. An indicator window changes from red to green for visual confirmation the base has been installed correctly every time. This ease of installation is one contributing factor for MESA’s NHTSA 5-star rating. Suitable for infants 4–35 lbs and up to 32” in height Infant Car Seat: 26.4” L x 17” W x 23” H Car Seat on Base: 27.5” L x 17” W x 24” H Base: 20.8” L x 14.5” W x 9.8–12.8” H (height in lowest and highest positions) Car Seat Included infant insert and low harness position for preemies and smaller newborns Carrier weighs under 10 lbs Adjustable headrest with side impact protection No-rethread harness that adjusts with headrest Storage pockets for harness buckles Two crotch buckle positions UPF hideaway canopy Direct attachment to VISTA and CRUZ strollers / convenient adapters available for the MINU stroller (not included) Carry handle with stroller release button Removable and washable seat fabric Two naturally fire resistant options through innovative use of Merino wool Carrier weight: 9.9 lbs Base SMARTSecure® System installs in seconds Red-to-green tightness indicator Built-in lock-off for secure seatbelt installation Level indicators on both sides Streamlined, low-profile base with finished bottom Four-position adjustable foot for easy leveling Base weight: 9 lbs Imported.