1.this is baby stroller. 2.12"rear wheels. 3.8"swivel wheels. 4.600D fabric. Removable seat easily reverses to face parent or to face forward Included car seat attachment fits most infant car seats Child cup holder swings out of the way for easy seat access, then right back in for drink accessibility Canopy adjusts to accommodate growing child's height Multi-position reclining seat with height adjustable 5-point harness