Bankers Box by Fellowes Element Storage Box by Fellowes is a water-resistant box made from flame retardant corrugated plastic. The lift off lid provides shower-proof protection from above and the gusseted construction means the boxes can be stood in up to 17cm of water. The Elements Storage box will float when evenly loaded with contents up to 12Kg and the external handles ensure contents remain dry. It is tested to the principles of BS EN ISO 11925-3 to ensure an initial line of defence against flames If you are looking for a storage solution to withstand the elements, choose Bankers Box.