Specially designed for poultry sampling, to test for E. coli, this polyethylene bag measures 15 in. W x 20 in. L (37.5 x 50 cm), is sealed at the top to maintain sterility, and has a perforation for easy opening. It will hold small turkeys, chickens, and other similar size poultry. Following USDA instructions, place the bird in the bag, add the buffer, twist the bag shut, and fold it around the bird; with two hands rotate the bird several times to rinse the carcass thoroughly with the buffer. Next, remove the liquid and test for E. coli. Film thickness: 2.0 mil (.051 mm). Box of 250 bags.