Mama Bear Overnight Diapers. Gentle on skin. Cute on behinds. Our diapers offer trusted leakage protection with fast absorption for a good night’s sleep. They’re dermatologist tested, hypoallergenic and thoughtfully made with ingredients that are safe on baby’s delicate skin. The contoured shape provides a comfortable and snug fit that wraps baby in 360 degrees of security. Our diapers are rigorously tested for quality and effectiveness; and your satisfaction is guaranteed.