360 degree drinking edge eliminates spills completely Cup automatically seals when you are done drinking Easy to clean with no extra valves or parts BPA free, top rack dishwasher safe Suitable ages: 6+ monthsDirections: Unscrew lid and fill cup with beverage Drink anywhere on the drinking edge, tilt the cup back and gently suck. The liquid will flow from cup through soft channels regulated by mounting disc and coming out of drinking edge when held between lips and sucked. The soft drinking edge will come into its original shape when cup is taken away from lips.
