Simply Right™ diapers (formerly called Member's Mark® diapers) have extra stretchy side panels and waist for a custom fit diaper. They are totally designed for fit and comfort and will protect your baby's delicate skin. Simply Right™ Diapers have a new thin absorbent core for great leakage protection and thin, flexible fit! Leak protection you can trust! The diapers have a 3-Point Soft Stretch® System for a custom fit to help prevent leaks.