This is one of the nicest tank bags you will ever find for the money, with tons of top notch features "Dale Walker"

• Roadtex 1000 Denier Nylon with PVC coating and UV protection
• Non-slip material on bottom with heavy-duty magnets
• Clear map pocket with hook and loop closure
• Adjustable shoulder straps for use as a back pack
• Convenient soft grip carrying handle
• Soft flannel lining to protect valuables
• Mounting base can also be sued separately as a map holder only
• Reflective piping trim and logo for safety at night
• Reinforced side wall thats also expandable
• Zippered mesh pocket inside of lid plus elastic pen holders
• Detachable key holder on inside
• Rain cover, adjustable shoulder strap and extra bungee safety cord included

Dimensions

• Normal : 14" long X 10" wide X 8 " high
• Expanded : 14" long X 10" wide X 11" high