Choose Labelmaster universal waste category labels, which include all of the information necessary for marking a container of regulated waste and keeping you in regulatory compliance. Constructed of rugged, flexible and PVC-free vinyl, they feature automotive-grade ink pigments, specially formulated adhesives for use in various climates and environments, weather-resistant film and passes the 90-day imo seawater immersion Test. White and black, they measure 4 x 4 1/2 in.