Helen's Asian Kitchen 13 stir fry spatula is stronger than wood and will not swell, split, or absorb moisture. Safe for use on non-stick surfaces or in high-heat?ideal for use in woks or when making stir fry. The bamboo is treated through a special oven-roasting process which caramelizes the sugar in the bamboo, resulting in its beautiful honey color. Bamboo is one of the most renewable resources known. It is more durable and 16% harder than maple, and a third lighter in weight than oak. Dishwasher safe.