These diapers require waterproof outer covers, so they are a three piece diapering system (diaper, cover, closure for diaper). (diaperjungle.com)
• Fully lined with 100 % organic cotton • Proprietary elastic designed specifically for cloth diapers • Waterproof outer cover prevents leaks • Accessible, replaceable, gentle elastic • Durable plastic snaps • 3x3 snap down design adjusts the sizing to fit small, medium and large sizes (approximately 8 - 35 + pounds) • Trim, snug and comfortable stretchy tabs provide a custom fit • Internationally patented design (greenmountaindiapers.com)
Gentle leg elastic and waterproof outer cover prevents leaks. (cottonbabies.com)