The arc lens case 16 provides protection for wide angle lenses up to 19 cm 7 in long with up to 77mm filter size shade reversed the vertical opening zipper allows for easy access to your lens this case quickly attaches to any belt or to the arc attachment points on many tamrac bags fits 85 lens with 77mm diameter quick access ykk zipper easily attaches to belts or tamrac bags molle compatible 600d 840d weather resistant polyester