The Knickernappies OneSize Cloth Diaper is the first of its kind: a side-snapping, onesize diaper that comes with TWO inserts made in the USA! Knickernappies OneSize Diapers have some great features: * Four size adjustments to fit your baby best -- Small, Medium Short, Medium, and Large * Tested to fit babies from about 8 lbs to 40 lbs * Two inserts with every diaper, sizes small & large, and our * Inserts are Made in the USA! * A scooped tummy panel & topstitching for best fit under chubby baby bellies * Buttery-soft, non-pill fleece inner to keep your baby dry and comfortable * Elastic on both sides of the pocket opening to hold the insert in place * Very gentle Lastin elastic in the leg and waist - no red marks! * Lastin elastic is long lasting and can't "go out" like regular elastic * Two Year Guarantee on elastic and snaps.