TrailMax 500 Series Water Pocket With Stainless Steel Water Bottle 1680-denier ripstop nylon outer shell has a PVC water resistant coating and water-resistant zippers Closed cell foam padding in main pocket provides insulation and protection. Reinforced at all stress points with nylon webbing and double stitched seams Adjustable strap buckles around the saddle pommel and saddle strings can tie through a D ring for secure attachment. Compatible with western and endurance saddles Overall dimensions: 9.75" x 5" x 4.5"