Waterproof Plastic Sleeves are great for covering and protecting your work. These work well as drawing protectors, map sleeves, plastic map envelopes, blueprint protectors, artwork protection, and large document protection. Store and protect your drawings in a safe manner. Notations can be made on the Clear Vinyl Covers by using a grease pencil or waterbased felt pen and wipes clean with either a dry cloth or soap and water. These drawing or map protectors are perfect for Architects, Engineers, Surveyors, Artists, Builders, and Contractors.