The breathable panty liner is the original liner from natracare and is their smallest the liners are made with certified organic cotton and totally chlorine free plant cellulose and are plastic free to allow your delicate skin to breathe and stay dry plastic free perfume free breathable natural materials totally chlorine free contains 30 liners in a pack they can be used daily as a protective liner especially if your underwear is made from modern synthetic material and you want to be sure t