Nighttime Prefolds Offer Superior Durability, Absorbency And Comfort At A Modest Price. InControl Nighttime Prefolds offer a proven 4-10-4 layering system designed for night time, yet trim enough for day wear. No side seams for a super comfortable fit around the legs, even for those with sensory issues or overstimulation. These cotton, double woven, twill weave diapers are manufactured to last for hundreds of washes. They come in a wide range of sizes for youth, teens and adults. The best made, longest lasting prefold diaper available for adults on the market! Chlorine free manufacturing process for extra sensitive skin. Diapers are flat when you receive them. Once washed, they quilt up into a soft diaper like you have never tried before.