The Ursack Major (which replaces and is identical to the S29.3 AllWhite (IGBC cert. no. 3738) is made of "bullet proof" UHMWP fabric and is designed to prevent bears from getting your food in their territory. It comes with an integrated six foot, 2,500 pound tensile strength cord. The Major weighs 7.6 ounces. It is about 24 inches in circumference (<8" dia.Read more
We highly recommend OPSak, which is designed to always be used inside the Major. While the Major is critter resistant, it is less so than the AllMitey or the Ursack Minor which may be better suited for that task. The newest version (which is the only version we sell) of the Major made since about April 1, 2015 has a tighter weave and more than double the tear strength of previous models. Pictured here with and without optional aluminum liner. The Ursack with improved Spectra seams (beginning April 2014) passed the Interagency Grizzly Bear Committee test and was placed on its bear-resistant products list on July 31, 2014.