Hazardous materials low density flat liner - yellow (6 mil) bold colors and printed warnings identify hazardous or contaminated contents. Several message options available. Strong bottom seal. Free of heavy metals and safe for landfills or incineration according to CONEG (Coalition of Northeastern Governors) legislation regarding the use of heavy metals in packaging. Call for details about producing with metallocene. Tamper-evident, self-locking nylon ties available.