Features • Bags Fabric: Strong,durable and water-resistant fabrics (not seam-taped) • Attach System: Bungee and hook, Front hook and loop straps • Opening Feature: Main opening with zip • Bags Features: Carrying handle • Dimensions: 13" x 13" x 4" / 33 x 33 x 10 cm • Bag Weight: 1.74 lb / 790 g • Bags Visibility Features: Reflective bands with rear light loop, Reflective highlights • Maximal capacity: 19 L / 976 CU