TrailMax 500 Series Saddle Cantle Bag The outer shell is 1680-denier nylon with a PVC water resistant coating and closed with a weather resistant #10 zipper. This contoured, padded cantle pocket can be used alone or with the 500 Series saddlebags. The cantle pocket fits the curve of most western and endurance saddles, securely attaches to the front saddle rigging with adjustable straps and has brass grommets for saddle string attachment. Snug attachment guarantees that the bags will not shift. The cantle bag is fully lined with nylon and padded with foam to retain its shape and offer protection for your gear. Overall dimensions: 21L x 4-1/2H x 6D