Gxhong Aluminium Party Balloons, Large Inflatable Balloons, Champagne Birthday Balloon, Themed Party Decoration, Birthday Party Birthday Inflation method: - Find the self-sealing valve - Use an air pump or a straw to inflate them - Remove the air pump or straw, the balloon seals automatically Ventilation method: - Use a thin plastic tube to insert it from the air connection - Gently squeeze with your hands to deflate the air Material: aluminum foil Color: as shown in the picture Package includes: - 1 whisky bottle balloon - 1 beer bottle balloon - 1 pink champagne bottle balloon - 1 golden champagne bottle balloon - 1 blue champagne bottle balloon - 1 Flamingo wine glass balloon - 1 red pink wine glass balloon - 1 golden wine glass balloon Note: - Do not overfill the balloon - Due to light, the color of the item may vary slightly from the images