Features: Easy to hang: These balloons can be attached to walls, windows, doors and tables. Versatile filling options: The balloons can be filled with air or helium, Filling with hydrogen or helium will make them float in the air. Value pack: Get a lot of inflatable balloons at a fraction of price and never worry about the quality. Fast Filling: They are easy to fill & empty out within just seconds. . Inflating balloons was never so easier! We all know what a struggle it is to knot a balloon. Half of the time, the balloon doesn t seem to hold up the air till the time you knot. These balloons nix the need to tying so filling balloons & making them party-ready will be done in a matter of just 30 seconds. Revolutionary fast filling and self-tying, with our party balloons, you will no longer have to wait before you throw, ever again! All about quality: Durable and thick material makes sure that the air in them lasts for hours. Won t tear or get pierced easily. Even color and beautiful print won t fade over time.