Bodyform So Slim Liners are extra-thin but So Slim are even thinner (almost like a second skin). Planning a trip? So Slim is individually wrapped and fits conveniently in your handbag \' the perfect alternative to a bag packed with clean panties. Bodyform So Slim Liners will fit all the briefs in your underwear drawer. This liner is individually wrapped so you can carry it with you and feel fresh everyday. Bodyform Feel secure. Wear Bodyform!Bodyform So Slim Liners are specifically designed with the following feature: Breathable back material- Our backside material consists of a thin plastic film with small pores that remove humidity and heat while keeping liquids from penetrating. This is accomplished by mixing calcium carbonate with the plastic material. When the material is thinned out, pores are formed. These pores let your skin breathe. Breathable back material is very important in reducing humidity and minimizing heat. Bodyform So Slim Liners with breathable back material maintain a woman\'s natural balance.