Abstract: A removable barrier, which can be used as a temporary safety barrier, comprises a material having a predetermined perimeter and a tensioner which is disposed about the perimeter of the material to removably secure the flexible material proximate an opening in a desired surface. Color, lettering, and/or logos or combinations thereof may be provided on one or more facings of the material. It is emphasized that this abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope of meaning of the claims.