The lenscoat 4xpandable long lens bag in realtree advantage max4 hd is able to hold a dslr with long telephoto lens attached such as a canon or nikon 400mm f28 500mm 600mm or 800mm at full size the lens bag is 7302cm in height but it can be folded down to 6223cm and 5461cm if youre using a smaller setup furthermore the bag can be folded completely flat when its not required built to last and constructed out of heavy duty water resistant codura and lightweight water resistant nylon