While the boats anchored in order to hide or cover, or when moving a system to be applied to a particular part of the contents of external factors (sun, water, etc.). Ilede is used to protect. PVC tarpaulin, or private water canvas (Stamoid) is an alternative. Stamoid imported fabrics, and lightweight, colorfast, waterproof, high tear resistant, flexible, dirt-repellent, resistant to sea water and yeast and mold a special-repellent fabric.