17-29 kg. Bedtime underwear with Pampers Leak Protection. Nightlock: Overnight protection. If you notice gel-like material on your baby's skin, don't be alarmed. This comes from the diaper padding and can be easily removed by wiping your baby's skin with a soft, dry cloth. pampers.com. Pampers Rewards by gifts to grow (See pampers.com for details and expiration date). Made in USA from domestic and imported materials.