Tranquility Premium OverNight. Disposable Absorbent Underwear. The Best Performing disposable absorbent underwear on the market! The Peach Mat guarantees maximum protection for uninterrupted sleep. Tranquility Premium OverNight holds over a quart of liquid! The ample, full-rise waist panel provides a more proportioned fit. Tear-away side seams allow for easy removal. The inner leg cuffs for leakage protection. Blue leg elastics indicate overnight protection. Latex-free. Medium, 34″-48″ waist/hip or 120-175 lbs, 34.0 oz. Capacity. 4 bags of 18.