Qwik-Dry top layer. Anti-leak core. Introducing the driest Stayfree ever, Stayfree Dry Max Maxi. Qwik-dry top layer: Thousands of tiny one-way holes trap fluid inside. Anti-leak core locks in fluid. Four wall protection designed for leak protection side-to-side and front-to-back. Exclusive odor neutralizers actively prevents & neutralizes odor. Light, clean scent discreetly tells you it's working. Clinically tested (Shown not to cause skin irritation or allergic in a standard dermatology study). Our driest protection yet. Made in Canada.