Items that are below 140 lbs and which meet certain size and packaging constraints qualify for free ground shipping. Promotion valid on combined order values over $199. Promotion does not apply to freight/truck-line or oversized items.Close
Raven was founded in Sioux Falls, SD, in 1956 as a designer and manufacturer of high-altitude research balloons for the American space program to help solve the great challenges related to space exploration. From that single product line, we grew into a successful and highly diversified technology company.