Please note these balloons are pre-fitted with a valve for use with helium canisters. The valve enables easy inflation with no tying required at the neck of the balloon. Attached to the valve is approx 130cm (51″) of white ribbon. Once the balloon is inflated the vale shuts off to prevent helium escaping. Sizing information: Please note this is a 9″ balloon, 2″ smaller than a standard 11″ balloon.