Set includes "Happy Birthday" Banner Letter Balloons, Birthday Decorative Aluminum Film Balloons Party Decoration Pack for party and family birthday party decorations with various party balloon supplies. This golden party decoration balloon set is perfect for birthday parties and can also be used for Christmas, wedding parties, graduation parties, anniversaries, stages, bridal showers and any other occasion that requires decoration. These happy birthday party supplies are suitable for any age Funny, playful and cute. The black and gold party decoration balloon set is so easy that anyone can do it. Discover the joy of decorating your party, let's make the day special, and fill this event with family and friends. Black Gold Birthday Party Decorations are made of non-toxic materials, durable "Happy Birthday" decorative letter aluminum balloons and other star aluminum balloons that can be used multiple times if used correctly. These foil balloons can only be filled with 80% gas. Bonus Tip: How to inflate these party balloons? These aluminum foil balloons and latex balloons are durable and support both air and helium, if you want your latex balloons to float in the air, use only pure helium Latex balloons filled with helium can fly very high. Aluminum foil balloons cannot fly as letter balloons and star balloons, please inflate them directly with a straw.