This heavy-duty industrial strength apron with reinforced mid-patch is made of a premium grade PVC/Polyester material with a thickness of .45mm and is fire retardant, and oil and chemical resistant. Features include rustproof, heat sealed grommets with cotton ties. Apron is 36 x 48". Designed for industrial applications, food processing, and janitorial work. Comes in single quantities or boxes of 24 aprons.