Aerfas 16 inch Gold Number 2016" Group Shaped Helium foil Balloons for Bridal Wedding Celebration Birthday Party Decoration (1) You will receive 4 pcs Golden Number "2016" shaped balloons Made of aluminum foil material balloons with a metallic luster, color uniformity Easy to inflate using the a straw or an air handheld pump and the balloons have self sealing valves Materials can be reused,after USE please put the ball to pinch flat The 16 Inch balloons can't be fly even inflation by helium, If you want to find a balloon that can float, please search 30 inch or 40 inch balloons on Aerfas storewe can provide you with more choices