Newborn Buttons nappy covers adjust to fit babies from 7-15 lbs. These are perfect for the newborn stage. The Newborn cover features:  - Two layers of PUL throughout (wipe-able interior) - Double leg gussets - Waist elastic at back and tummy  - Two rows of waist snaps - Insert snaps to snap Buttons inserts in place - Compatible with Buttons size small or large diaper inserts, and Size 1 prefolds.