Durable high-density polyurethane sponge is ready to use and resists tearing and fraying. Each sponge is packed in a sealed 18-oz. (532 ml) write-on bag and is hydrated with 10 ml of HiCap™ Neutralizing Broth. Terminally gamma processed to guarantee sterility. Box contains five foil pouches with 20 sponges each for a total of 100 sponges. Bags are 4-1/2 in. W x 9 in. L (11.5 x 23 cm) with a thickness of 2.5 mils (.064 mm). To use the sponge, tear open the top of the Whirl-Pak® bag, squeeze out any excess HiCap™ Neutralizing Broth, swab the surface, insert the sponge back into the bag, fold the top of the bag over three or more times, and bend in the wire tabs to close. Send to a lab for testing.

*HiCap™ Neutralizing Broth is a trademark of World Bioproducts