How should I store and maintain a natural wood saya katana?
Updated Mar 2026
Proper storage protects both the blade and the saya from moisture, temperature fluctuation, and unnecessary friction. Keep the sword in a low-humidity environment — ideally between 40% and 60% relative humidity — as excessive moisture can warp wood and promote surface oxidation on carbon steel blades. When storing horizontally, position the blade edge facing upward to prevent the edge geometry from pressing against the interior of the saya over long periods. For the blade itself, apply a thin coat of camellia oil or mineral oil every few months using a soft cloth, wiping along the blade from spine to edge rather than across it. Remove old oil before applying fresh oil to avoid buildup. The hardwood saya can be lightly wiped with a dry or very lightly dampened cloth to remove dust. Avoid direct sunlight exposure, which can fade the wood finish and dry out the grain over time.