The CozyUp carrier cover gives your baby additional warmth and protection while they are in their car seats. The wind and water resistant outer shell is completely lined with soft fleece so your baby stays cozy and dry in any condition. The CozyUp simple slips over your carrier and can be removed easily. It completely zips open for quick access to your baby. The fleece lined collar pops up to protect your baby's face from cold and wind. Don't forget that it is reversible and fits over standard-size strollers.