Calf Fluid Feeder is designed to safely administer colostrum or necessary fluids to combat calf scours and dehydration. Bag is made out of non-toxic, heavy grade plastic. Tear-shaped ball is designed so esophageal probe cannot be inserted into the trachea. The smooth flexible tubing is 48 inches long with the last 16 inches reinforced with a rigid plastic tube. Wt. 6 oz.