Marine sponges have been a natural method used for thousands of years by women around the world for the rule. Sileu natural marine sponge provides the same degree of absorption as a normal tampon, with the sponge being a much more natural and environmentally friendly method than traditional tampons. Sileu Sea is suitable for women who suffer from vaginal dryness or allergies to other traditional products for the rule, as they are pleasant and gentle on the skin. They can be adapted to any size you need by simply trimming and shaping it to the needs of each woman. To achieve the highest degree of safety and because they are marine sponges harvested directly from the Caribbean Sea, our menstrual sponges have been pre-bleached, to ensure that they are aseptic, hypoallergenic and do not contain any organism harmful to health.