It helps to start with the look you want and how long you need it.

• Helium: Great for floating bouquets and centerpieces. Works well with foil/mylar shapes and large numbers. Requires balloon weights and can be affected by temperature and drafts.
• Air: Ideal for garlands, arches, columns, and backdrops. Often lasts longer indoors since there is no lift to lose. No helium needed; use a hand or electric pump.

Consider your venue height, setup time, and budget. If you want floaters, portable helium tanks are an option. For air displays, pumps make inflating faster. Compatibility varies by balloon type and size, so check the product description for helium vs air guidance and follow the included instructions.

Longevity depends on material, size, inflation level, and environment.

• Latex: Typically looks fresh for a limited time indoors; heat, sun, and rough handling can shorten that window.
• Foil/Mylar: Often hold air longer than latex because the material is less porous.
• Reusable PVC balloons/garlands: Designed for longer display windows and can be deflated and used again as needed.

To help them last, keep displays indoors away from direct sunlight, sharp edges, and temperature extremes. Inflate slowly until the balloon is firm (not overstretched), and avoid overfilling. Because results vary by product and conditions, use the care tips on the packaging and plan extra balloons if your event will span multiple days.

You have a few simple options depending on your setup and quantity.

• Air displays: Use a hand pump for small batches or an electric balloon pump for garlands and arches. Many small foil letters include a straw for easy inflation.
• Floating bouquets: Use a portable helium tank with balloons marked helium compatible and attach balloon weights.
• Reusable garland kits: Inflatable PVC clusters often come with elastic bands and hang points for quick assembly.

Inflate slowly and stop when balloons are firm without bulging seams. Follow the instructions on each product. Keep the area clear of sharp objects, avoid inhaling any gas, and secure finished arrangements so they are out of walkways and away from heat sources.

It depends on size and design.

• Large numerals (often around 32–40 inches) are commonly helium compatible and can float when filled and weighted correctly.
• Smaller letters/numbers (such as many 16-inch options) are typically air-inflate only and will not float. They are designed to hang, tape to a backdrop, or string together as a banner.

Always check the product description for helium vs air and dimensions. If air-inflating, use the included straw or a low-pressure pump. Secure air-filled pieces with string, balloon glue dots, or clips. Results can vary based on room temperature and handling, so allow a little extra time for test inflation before your event.

A few precautions can make decorating safer for everyone.

• Supervise young children; uninflated or broken latex pieces can pose a choking hazard.
• Do not inhale helium or any gas from tanks or balloons.
• Use balloon weights with floating designs and keep foil balloons away from power lines, fans, and heat sources.
• Inflate slowly and avoid overfilling. Keep pumps and inflation tools out of children’s reach.
• Dispose of broken balloons promptly and check packaging for material details if sensitivities are a concern.

Follow the instructions included with each product and set up displays in low-traffic areas. These steps can help reduce issues, but conditions and results may vary based on your space and how the balloons are handled.