Roll up window blinds have been a popular and convenient tool to use in covering the windows of many homes and businesses for a great many years now and a large number of the styles that first made this well known item become so popular were made out of materials such as bamboo and plastic. The way in which these coverings are now made give us the opportunity of choosing from a wide varied of materials and colorful fabrics that are used in their construction and a variety of beautiful and bright bold colors to choose from as well.