Dyneema, a.k.a. Cuben Fiber, is a patented, high-end laminate fabric constructed from non-woven composites utilizing space-age DSM Dyneema fibers. Dyneema® is a super-strong polyethylene fiber that offers an unmatched strength to weight ratio. It's 15x strong than steel and provides the highest ripstop and strength performance of any competing fabric on a weight-by-weight and thickness basis. Cuben Fiber is also floats on water and is extremely durable, resistant to moisture, UV light, and chemicals. It is a perfect choice for any ultralight camping and hiking gear like backpacks, ultralight tents, lightweight/waterproof tarps, or stuff sacks.