[Quantity] 5 foil balloons, mixed colors include green, red, blue, orange, pink.[Size] 18 inches = 45 cm.[Material] Aluminum foil. The party balloons are made of thick and sturdy aluminum foil. The balloons are sturdy and durable, not easy to burst at the party.[Easy to use] The balloons can be inflated with air or helium, you can inflate the balloons with your mouth, pump or electric inflation tool. Please do not over-inflate the party decoration balloons (inflate 80% or 90%), and do not let the balloons get sunburned, overheated, contacted with sharp objects and excessive friction.[Christmas Theme Balloons] The unique cane and lollipop shaped balloons make your party decorations more eye-catching. They are perfect for balloon bouquets, tabletop decorations, wedding aisle decorations, photo backdrops, party supplies, etc.