**Returns not accepted on any opened, used, or defective product. Contact manufacturer directly for further defective products/parts.    From UPPAbaby, this car seat features:   Lightest infant car seat on the market, weighing just under 6 lbs. Ergonomic Aluminum Carry-Handle designed for added stability and optimum portability Adjustable headrest for a more accurate and customized fit as baby grows 5th anti-rebound handle position for increased safety in rebound and rear-impact collisions Back panel ventilation for additional airflow keeping baby cool and comfortable Simple one-crotch buckle position and no-rethread, adjustable harness makes buckling up a breeze Four-position adjustable foot for easy leveling and to accommodate various seat angles Extra-large UPF 25+ hideaway canopy with back panel ventilation and pop out extended sunshade SmartSecure® System with red-to-green visual indicator accurately installs in seconds Two-piece robust infant insert ensures proper fit and body positioning for preemies from approximately 4 lbs. with ability to fit babies up to 4 months Anti-Rebound + Panel for increased safety in rebound and rear-impact collisions Narrow 17” wide footprint to maximize space in your backseat Auto-Retracting LATCH for effortless installation Bubble Level indicators on both sides show when the base is in the correct level position for installation Included base with load leg for additional stability and energy absorption European Routing for a more secure installation when installing without the base FAA certified for aircraft use with or without base All fashions are Fire Retardant Free through our DualTech™ fabrics Direct attachment for Vista® and Cruz® strollers + convenient adapters available for the Minu® and Ridge® Included 2-piece infant insert suitable for babies approximately from 4 lbs. – 4 months with preemie cushion and back positioning insert Specifications: Ages: Approx. 0–1 years Suitable from: 4–30 lbs, or up to 30” in height, whichever comes first (US only) Weight: Carrier: 5.9 lbs; Base: 12.6 lbs Dimensions: Carrier: 24.5” L x 17” W x 18.5” H; Base: 23.9” L x 14” W x 15.2” H Imported. With its featherweight design at only 6 lbs., the Aria was designed to define new standards of safety and convenience in the realm of easy-to-carry baby gear. Its strong yet light build with SmartSecure® technology, Anti-Rebound+ Panel, and extra-large canopy provides a safe and comfortable ride for baby.