Key Features: High-end saddlebag with top of the line materials and features., Blue interior, for optimal visibility of the contents., Elastic strap and inside pocket for easy organization of your cargo (M and L size)., Lockable waterproof zipper for extra security and absolutely rattle-free., LED tail light mounting strap., Velcro dual strap system for easy installation and removal., Rubber seat post strap for extra stability and prevents damage to Lycra shorts and the seat post., Large size bag is divided into two compartments. Top compartment is perfect for storage of a wallet, keys or documents..Sizes: Small: 370cm³, Medium: 640cm³, Large: 750cm³.