Color: Gold/Silver Category: Balloon Size: 16" or 41cm Product condition: 100% new You can use them to spell out a name, number, company or theme, such as some special Messages: ''Happy Birthday'', ''Will You Marry Me'', ''I love You''. Great for wedding, birthday, party, anniversary or other occasions INSTRUCTION: 1. Remove the opening of the balloon 2. Use drinking straw blow air into the balloon 3. Tie off Or You can go to your local party supply store to have them inflated with helium. The letter C and O all open mouth when they didn’t inflated, after inflated, the letter O closed mouth, the letter C closed mouth, please see the above picture. CAUTION: The Alphabet Balloons do NOT come inflated Please note that 16" Balloons CANNOT be floated even filling with helium. For more styles, please visit my store: