200 inch 500g Giant Professional Weather Balloon For Meteorological Investigation Aerial Video Holiday Party Decoration Entertainment Toys Huge Balloons… (200 INCH)

• Hwoyee professional huge balloon,For meteorological purposes, the Suggested Inflation Volume of a 500g balloon is 2.0-2.5m ³, Net Lifting Force=905g, Total Lifting Force=1655g, Bursting Altitude=25000m.
• Natural color close to white ,Neck Length≥10cm,Neck Diameter≤6.4cm,Body Length=108-121cm.
• 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.
• If need to fly,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).

Product description Introducing the Hwoyee Professional Huge Balloon, the perfect choice for all your meteorological investigations, aerial videos, holiday party decorations, and entertainment toys. Designed with utmost precision and reliability, this massive 240 inch/600g weather balloon is a must-have tool for meteorologists, science projects, fairs, grand openings, and enthusiasts alike. For meteorological purposes, this balloon is engineered to provide exceptional performance. Its suggested inflation volume ranges between 2.2-2.8 m³, ensuring accurate atmospheric data collection. With a net lifting force of 1120g and a total lifting force of 1970g, it has the capability to carry crucial equipment and instruments to desired altitudes. With a bursting altitude of 28000 meters or 92000 feet, the Hwoyee Professional Huge Balloon is built to withstand extreme conditions and deliver precise results. Featuring a natural color that closely resembles white, this weather balloon effortlessly blends into the sky, making it the ideal choice for aerial photography and video recording. The neck of the balloon measures 12-15cm in length and has a neck diameter of ≤5.5cm, allowing for easy attachment of equipment and payloads. The generous body length of 190-220cm ensures that your balloon stands out and makes a grand statement, perfect for holiday parties and special events. In addition to meteorological purposes, this versatile balloon can be utilized for a wide range of applications. Safety Warning Choking Hazard - Balloon