Washable Period Pads. Help save up to 390 tampons per year going into landfill with these washable period pads. This pad is designed to be worn for up to 10-12 hours, day or night. The period pads come in a range of designs, these pads are made for heavy flows and hold the equivalent of 3-4 tampons. They can be washed repeatedly by hand or machine without colour-fading and are quick to air dry.