Columbia Expedition Ridge Duffle in green is fashionable diaper bag for an "on the go" parent. Main compartment with zippered opening has 3 interior, elasticized pockets as well as a zippered pocket. Front panel has 3 fully lined zippered pockets. Twin exterior elasticized side pockets. Large, zippered back pocket holds a portable, padded change mat with a separate "messy" bag (included); Integrated bottle pocket with high density insulation and Therma- Flect radiant barrier to help keep milk fresh.es. Permanent, adjustable shoulder strap with movable shoulder pad. This diaper bag is Ultra Safe, meaning that it is PVC free and lead safe. Care and Cleaning: wipe clean only.