A one-size, all-in-one diaper with snap-in inserts from Canadian company Lil Helper. Composed of a waterproof shell and two absorbent inserts. The shell is made from a high quality PUL fabric lined with a water resistant micro fleece and features snaps for rise and waist adjustment. Both inserts attach to the diaper cover with snaps. Your kid can wriggle as much as she wants. These inserts wont budge. The inserts are made from micro-terry and bamboo. It's a great lightweight diaper. 7-35lbs.