Provided on rolls and boxed, our continuous rolls of durable 4 Mil C&A Film provide protection from weather, dust and debris or prying eyes. These items are made with a proprietary blend of 100% virgin low and linear low density polyethylene (LDPE) and contain a black color additive. You may or may not be able to see through this item in interior light. They are ideal as a vapor barrier or drop cloth and also come in clear.