Can be used as both a tank bag and tailpack. Compact enough to be used on any bike yet large enough to accommodate essentials for a days riding including a spare visor. Lifetime guarantee against faulty materials or manufacture Made from lightweight but very tough 420D ‘ripstop’ construction Nylon All pockets have water resistant zips with a ‘garage’ to prevent water ingress All bags 15 litres + come with waterproof (removable) internal liners with hook and loop fastening Comes with carry handles 4 litre capacity Map holder Sat Nav pocket for both GPS devices and smart phones. Anti-glare shield. Key pocket Electrical outlet (with internal pocket to carry a device) Headstock safety strap (must be used) The M4R has 2 functions: magnetic tank bag / tail pack