Mylar Happy Birthday Balloons | 09 Inch (AIR-FILL ONLY)

- Mylar Happy Birthday Balloons (4"): Add a delightful touch to your birthday celebrations with these petite Mylar balloons.

- Birthday Designs: Choose from a variety of cheerful designs, perfect for adding a pop of fun to your party decorations.

- Air-Fill Only: These balloons are designed for air-filling only, ensuring they stay inflated throughout your birthday festivities.

⚠️ **Attention**: Please note that balloons under 16 inches in size require the use of a heat sealer to properly seal them after inflation, as they do not self-seal. Ensure you have a suitable heat sealer on hand when working with balloons of smaller sizes to prevent air leaks and maintain their longevity.

• Please note that the sizes of our Mylar balloons are approximate, and the actual product dimensions may vary slightly from the listed size.

• Keep in mind that, in general, latex balloons under 9 inches are not designed to float with helium, and Mylar balloons under 18 inches will not achieve buoyancy with helium.

• Please note that balloons under 14 inches in size do not self-seal and will require the use of a heat sealer to properly seal them after inflation. Ensure you have a suitable heat sealer on hand when working with balloons of smaller sizes to prevent air leaks and maintain their longevity.

• Our Mylar balloons are typically shipped flat without packaging aside from a select few items. Please do not be alarmed upon receipt of non-packaged balloon products. Latex balloons however are shipped packaged as is.

For more details, feel free to check out our Shipping & Return Policy pages.