[THIS KIT IS A MIX OF 4 DIFFERENT SIZES: LINER, REGULATE, MODERATE, AND HEAVY] These pads are made with 100% Natural herbs and organic materials, which can be beneficial for people who prefer to avoid chemicals and synthetic materials in contact with their skin. In this case, SHERBAL is composed of three herbs that will help: Wormwood, Cyperus Rotundus, and Angelica Root. 100% Biodegradable, prevents cramps, reduces inflammation, and helps to regulate blood. It's proven to help sensitive skin people.