Standard 12″ balloon size can be filled with air or helium Please select the equal mix and amount you would like from the drop down menu, the variation in the image is what will be sent in your order unless messaged in advance, thank you for your understanding.Your item will Ship FREE unless upgraded to priority (domestically) typically within 24hrs of payment received, during normal business days!Balloon color may vary slightly due to differences in screen display settings as well as some design stretching depending on the amount of inflation, DO NOT overfill balloons. If you have any questions please message us and we will be happy to assist you, Thank you!Strings Not Included, Item is deflated when shipped, you will need to inflate with air or heliumAll images are protected by trademark and are the property of Malayan Products LLC ***CHOKING HAZARD – Children under 8 yrs. can choke or suffocate on uninflated or broken balloons. Adult supervision required. Keep uninflated balloons from children. Discard broken balloons at once.