Hopnel H50-107BK Rack Bag Works with Most Solo Racks and Sissy Bars Bag Measures 14"x16.5x7" Heavy Duty Polyester Construction is Reinforced to Hold its Shape When Empty Quick Release Side Lock Buckle and Belly Strap Anchoring SystemAllow Bag to be Easily Attached or Removed from your Bike For More Capacity Simply Unzip the Side Zippers to Expand the Side Pockets