Giant Weather Balloon White For Meteorological Investigation Holiday Party Decoration Entertainment Toys (72 Inch)

• Hwoyee professional huge balloon,For meteorological purposes, the Suggested Inflation Volume of a 100g balloon is 0.15-0.2m ³, Net Lifting Force=160g, Total Lifting Force=510g, Bursting Altitude=15000 m/49000 feet.
• Natural color close to white ,Neck Length≥8cm,Neck Diameter≤4.5cm,Body Length=75～85cm.
• Ideal for fairs aerial photos,meteorologists, science projects and grand openings.
• If you are using it for other purposes, you can charge more helium or hydrogen gas to achieve greater lift near the ground.
• These balloons must be filled with helium if they want to float up. You need to buy helium locally or fill it with hydrogen in a laboratory to ensure safety (dangerous, not recommended for ordinary people).
• When performing inflation operations, it is necessary to ensure that there are no sand or any other sharp objects around.

Product description The Hwoyee Professional Weather Balloon 72 inch/100g is the perfect choice for meteorological investigation, aerial video, holiday party decoration, and entertainment toys. With its impressive size and advanced features, this huge balloon is designed to meet the highest standards of performance and reliability. For meteorological purposes, the Suggested Inflation Volume of a 100g balloon is 0.15-0.2m³, ensuring accurate data collection during scientific experiments. The Net Lifting Force of this balloon is 160g and the Total Lifting Force is 510g, allowing it to ascend to a remarkable altitude of 15000 m/49000 feet. Whether you need to capture breathtaking aerial photos for fairs and events or conduct in-depth weather research, this balloon will exceed your expectations. Featuring a natural color close to white, the Hwoyee professional huge balloon is visually appealing and complements any occasion. The Neck Length of the balloon is at least 8cm, providing ample space for secure attachment and easy handling. The Neck Diameter is ≤4.5cm, ensuring a snug fit with helium or hydrogen gas cylinders. With the Body Length ranging between 75 to 85cm, this balloon offers a generous size for maximum visibility and impact. Safety Warning Choking Hazard - Balloon