Waterproof Large Capacity Motorcycle Backpack Helmet Holder

New feature 1Waterproof Large Capacity Motorcycle Backpack is assembling method for backpack and Tall Sissy Bar with straps(2 pieces).Sissy Bar and strap in the image is used for demonstration only.Search 'Seibertron Utility Luggage Straps' separately for straps purchase.New feature 2Waterproof Large Capacity Motorcycle Backpack  is assembling method for backpack and Tall Sissy Bar with straps(2 pieces).Sissy Bar and strap in the image is used for demonstration only.Search 'Seibertron Utility Luggage Straps' separately for straps purchase.New feature 3Above is assembling Method for backpack and Sissy Bar Luggage Rack with straps(2 pieces).Sissy Bar and strap in the image is used for demonstration only.Search 'Seibertron Utility Luggage Straps' separately for straps purchase.New feature 4The 2L water bladder in the photo is sold separately and it is designed for Seibertron Helmet Backpack sold on the page. There will be a large discount if you purchase them together. Check our product p