Ultralight suspension Patented Nanoweave(TM) technology eliminates extra stitching and bulk, while strengthening the hammock straps overall. At just 3 oz, the Python 10 Ultralight straps pack down small into their Sil/PU coated stuff sack. Secure strength The Python 10 Ultralight hammock straps are woven with Spiraline(TM) a technical fiber that is 15x stronger than steel. Hang your hammock from the ultralight straps safely up to 300 lb. Tree-friendly design The variable width design offsets the pressure placed on trees by widening at the end of each strap. The hammock strap&';s secure suspension keeps them from slipping and rubbing the bark unnecessarily.