The Perfect Udder bag shell

turns any 3 or 4qt Perfect Udder product into a rigid bottle for easy handling at the calf. The spout of the bag locks into place to provide rigidity to the nipple or esophageal feeder so your hands can be free to restrain the calf or guide the tube into correct position

. The should strap supports the assembly until you are ready to let the liquid go. Clamshell design protects the contents of the bag and is easy to clean afterward.