Take care of yourself and the environment with our washable sanitary pads. These napkins conform to your body with their healthy composition. They are composed of: · Two layers of cotton on the outside of the towel, the healthiest and most breathable for the skin. · metal snaps for fastening (metal because it is more resistant than plastic) · a layer of waterproof polyurethane (PUL) to avoid any leaks and accidents · bamboo sponge inside to absorb flows Wash preferably at 40 degrees with the rest of your laundry and in a washing net. Pre-wash in cold water only. (washing temperature max 60°) A light Flux towel is made of 4 layers of fabric medium and heavy flow towels are made of 5 layers of fabric a heavy flow+night towel is composed of 6 layers of fabric