9th birthday decorations blue sets included: 1 x blue "Happy Birthday" letter banner, 1 x number 9 balloons, 2 x star foil balloons, 25 latex party balloons in 5 styles (5 x blue colour, 5 x silver confetti, 5 x white, 5 x navy blue, 5 x blue confetti),1 x 10 m ribbon. Total 31 packs in one package. Happy 9th birthday party supplies are ideal for son 9th birthday party, 9th boy birthday party, cheers to 9 years old birthday party, 9& fabulous party, blue 9th birthday decorations for him, etc. Size: "Happy Birthday" letter banners are in 4.5 x 6.3 inches for each letter, latex balloon in 12 inches for each, number foil balloon in 32 inches for each. All balloons can be reused many times at other parties. Perfect for hanging anywhere in your house, whether indoors or outdoors. Such as ceiling, garden, door. Easy to assemble: the letters are separate, just need to inflate and shape your own space by DIY, it would be a happy family craft. Please note that the foil balloon is not elastic, please inflate it slowly. It is not recommended to use an automatic air pump. Those foil balloons can be filled with helium, they stay perfectly if you don’t inflate them 100% but 80(as it is stated in instructions) 100% SATISFACTION GUARANTEE If you experience a problem with your product, please contact us for compensation. Happy 9th birthday party supplies are ideal for son 9th birthday party, 9th boy birthday party, cheers to 9 years old birthday party, 9& fabulous party, blue 9th birthday decorations for him, etc.