How does the purple lacquer saya protect and preserve the blade?
Updated Mar 2026
The saya, or scabbard, on these katana is finished with multiple coats of lacquer over a wooden substrate — a technique rooted in traditional Japanese sword-mounting craft. Lacquer creates a moisture-resistant shell that shields the wood from humidity fluctuations, which would otherwise cause warping that could damage the blade's finish over time. The deep purple pigmentation is incorporated into the lacquer layers, meaning the color is durable and does not chip off the way paint would. For long-term display, the lacquered saya also provides a UV-resistant surface that helps maintain its rich tone under ambient lighting. When storing the katana, keep the blade lightly oiled and the saya in a low-humidity environment; silica gel packets inside a display case are a simple and effective precaution.