35 mm weatherproof. Suitable for use under rainy outdoor conditions. When poster is placed inside the water wick, it is protected, weatherproof. Header board and brochure basket options are present. Easy-to-open snap frame includes the anti-reflex cover in all standard A boards. Frame size alternatives are A2, A1, 500x700 mm, 700x1000 mm, 20''x30'', 30''x40'' mm.