1.Materail:Lambskin. 2.Comfortable&warm 3.Could be used on baby stroller. On the outside, dirt and water-repellent material guarantees optimal protection for your baby against snow, rain and wind.On the inside, high quality sheepskin gives no chance to the cold. The footmuff unzips completely and can be laid flat for use as a blanket or pad. Sheepskin baby sack