Swienty National Poly Hive Super Box Sold flat pack – easy assembly (no tools required) Painting with Masonry paint on the outside is advisable to prolong life expectancy of the hive. National Polystyrene Hive Parts manufactured in Denmark by Swienty. Excellent quality and 100% compatible with timber national hives and other poly hives. Polystyrene is 45mm thick / density 100g/litre.
