Three styles are offered to control the spread of a variety of liquid laboratory waste. Each style has a label to indicate proper disposal. Printed radioactive and international symbol alert for radioactive waste for proper disposal. Biohazard and international symbol on mats for use when working with body fluids, tissue samples, pathogens or other biohazardous materials. Plain mats with no symbol. Deluxe, heavy, 534mL absorbent, nonwoven rayon cellulose filler and water-resistant polyethylene backing. Mats are 17¾ x 23½ in. unfolded. Folded size is 5¼ x 8½ in. 50/package. Work tray is also available.