100% Polyester Imported Seamless Compatibility: The City Loop Chassis and Urban Mobility Infant Car Seat create a complete travel system. Equipped with built-in LATCH, the Primo Viaggio Urban Mobility can be installed without a base using the built in LATCH connectors or European seat belt path. FAA approved. One-Hand Fold: The lightweight City Loop Chassis features a one-handed folding mechanism, making storage & transportation a breeze for busy parents on the go. Simply release the car seat & place it in your car in seconds, making transitions hassle-free. Safety Features: Urban Mobility has Kinetic Pods for side-impact protection & a dual-stage cushion system. Stage 1 supports infants 4 lbs+ w/ extra neck & bottom support, while Stage 2 supports growing babies. Both cushions use soft Fresco Jersey fabric. Grows With Baby: Designed for extended use, the City Loop grows with your child from infancy through toddlerhood. Say goodbye to buying multiple strollers as this versatile solution provides all the support and comfort your child needs at every stage. Compact & Convenient: Designed for compact storage & easy maneuverability, the car seat & stroller are perfect for urban living or travel. The City Loop fits in your car without using trunk space & has a secure strap to prevent movement during travel.