They contain more comfortable material and fine workmanship. Touching softer, more comfortable to wear, more healthy, absorbent stronger. Each of them has one more rows of snaps which can fit better for your baby. These diapers are reusable and washable. A Simply adjust the size as your baby grows make this diaper a one size style diaper from birth to potty training. 1. Outer: A waterproof & breathable PUL 2. Inner: Suede cloth: Suede cloth wicks moisture away from baby's bottom. It is an excellent choice next to baby's skin for pocket style cloth diapers. Liquid passes right through suede cloth into the inner absorbent layers of the insert. Unlike fleece there is no pilling. 3. Insert: 5-layer ultra-absorbent microfiber insert