Bear resistant panniers get no better than Bear Country Containers aluminum bear boxes. Built one at a time right here in Montana by Jerry Kawasaki. Each box is a welded aluminum structure with spring loaded latches. These boxes are both IGBC and SIBBG certified they meet and or exceeds all US Forest Service specifications. These lightweight aluminum boxes are front loading, and have a removable inner shelf that allows the storing of larger items for example bags of horse feed when necessary due to regulation requirements. They measure 24” wide x 12” deep x 18” high. Has two biothane handles one on each end to help in moving these boxes and to help aid in the loading of your stock. The securing straps are also made of biothane for years of trouble free use. Each pannier weights 18 pounds U.S.PATENTED No. 6,925,785.