Maxi-Cosi Raincover for baby car seats It may be raining outside, but that is no reason to not go out and enjoy the day! Your baby will be comfortable and dry beneath this transparent, wipe-clean plastic raincover. The raincover fits snugly onto any Maxi-Cosi baby car seat including the Pebble Plus, Pebble, CabrioFix and Citi. Fits any Maxi-Cosi baby car seat: Pebble Plus Pebble CabrioFix Citi.