Durability is very good mine sits on the cabin bunks in a purpose built aluminium tray not secured, been fine, make sure you place pies etc in a tray as the pounding of the boat will cause pies to collapse through the racks salt spray water has not affected mine too much just clean after use just don’t forget the sauce. Don’t forget about the food or it will burn. Nothing better than the smell of cooking pies wafting through the boat