Quality, vented, marine battery boxes manufactured from black hi-density, reinforced polyethylene which is impervious to battery acids. Each includes sturdy carrying handles, two vents and the lid has 4 recesses to allow for cable entry. All are supplied complete with webbing strap, mounting cleats and stainless steel fastenings. the Small fits a max battery size of 282mm L by 190mm W by 200mm H. The Medium fits up to 340mm L by 190mm W by 225mm H and the Large suits a battery up to 395mm L by 185mm W by 205mm H.