Bios Flo-Trol Vacuum Feeding Cup

A soft rubber air release button on this vacuum feeding cup makes it possible to drink liquid without raising  the head. A simple push of the button releases a small,controlled amount of liquid. Fluid will not spill from the  cup even if it is lying on its side. Graduated at 118, 177 and 236 ml (4, 6 and 8 oz) levels.