<UL><LI>Includes elastic ring to adjust the size</LI><LI> Elastic trim helps the cap fit snuggly </LI><LI> PVC material is water-resistant</LI><LI> Keeps hair dry while bathing</LI></UL><BR/> Salon Care shower cap protects your hair while showering or bathing. The elastic trim helps fit your head and the PVC material keeps water out. the elastic ring allows you to adjust the size according to the amount of hair you need to cover.