Description:
350g balloons are one of the most popular balloons for education, atmospheric sampling studies and as a training balloon for later soundings with larger balloons.

Specifications:
Weight: 350 grams
Material: Natural Latex, No Preservatives
Biodegradability: 100%, 24-36 Months All Conditions
Inflation Gas: UHP Grade 5 Helium/ Hydrogen
Recommended Payload: 1-2 lbs
Rate of Ascent: 350m/min
Burst Diameter: 13.5ft
Burst Altitude: 68,000- 85,000ft
Neck Diameter: 3.0cm
Neck Length: 12.0cm

Compatible Accessories:
Rocketman High Altitude Balloon Parachutes
Rocketman Weather Balloon Inflator
Rocketman Quick Disconnect Weather Balloon Inflator
Rocketman Quick Disconnect 3cm Nozzle
En-Sci Ratcheting Balloon String Reel
Rocketman Ground Screw & Scale Kit

Return & Refund Policy
All balloons are inspected and inflated prior to sale, with care taken at every step to ensure the reliability and performance of every balloon. If any changes need to be made to your order, or you would like to cancel your order, please give us a call at (609) 844-0055.

Due to the delicate nature of latex balloons and our performance guarantee, we cannot accept returns or exchanges once a balloon has been ordered and shipped. For any questions, please give us a call at (609) 844-0055.