This is an All in Two (AI2) diaper, which means no need for a cover. This diaper is completely adjustable using the snap closures. This diaper is made from an embroidered minky outer layer, a hidden waterproof PUL (polyurethane laminated polyester fabric) layer, and another layer of minky goes against your babies skin on the inside. The soaker insert is made from stay dry fleece with thirsty Zorb inside. 

SIZING One size fits most babies from 10 lbs to 40 lbs Each diaper comes with 1 snap in soaker included.