Ansell AlphaTec® ANE56-510-35X45 33" X 45" Yellow 17-19 mil Nitrile/Polycotton Apron. These poly/cotton reinforced aprons feature a 17-19mil Hycar nitrile blend on poly/cotton backing with sewn edge finish and offer users a tough combination of chemical splash protection and flexible comfort even in cold conditions. 2-piece 48 inch ties and sealed grommets provide a durable, consistent and adjustable fit on all sizes and styles. 56-510 aprons are designed for rugged wear, and are both durable and cost effective.