Twin pack of 260ml Avent Magic non-spill training cups with handles controls fluid flow making feeding baby easier. The magic valve flexes to allow air back into the cup, so that baby gets a continuous flow of liquid with no risk of colic.When not in use, the Magic Valve closes so no messy spills occur. The cups are easy to assemble and take apart and are dishwasher safe.The spout with valve also fits the AVENT feeding bottle.