Designed for sleep, with maximum absorbent to help stop nighttime leaks;Keeps baby dry and comfortable for a more peaceful night's sleep;Trusted Leak Lock* System for up to 12 hours of protection, and SnugFit* waistband for a secure fit;The most absorbent Huggies diaper and the #1 Selling Nighttime Diaper;Size 3 Huggies OverNites Diapers fit babies and toddlers 16-28 lb.