Cloth menstrual pads are economical and environmentally friendly. They can be made with any absorbent material. I think unbleached cotton is the best, but hemp or cotton fleece would also work.
There are plenty of printable patterns online to make a reusable pad at home.
Simply rinse the reusable pads in cold water and soak in a basin of cold water until you are ready to put them in the washing machine with any other load of washing. The soaking water can be used on your garden – it is a natural product after all!
And why not also try a reusable cup instead of a tampon: