Wooden dice is made of sturdy solid natural wood, hand sanded edges and corners prevent dice from chipping or splitting which is non-sting and extra durable for long time use. It is light weight, so it can be shipped at a very cheap cost. In addition, it is a very good promotional product where different logos/patterns can be laser engraved on, after laser firing, the pattern displayed has a unique style. And delivery is fast. Wooden dice is not washable and it should be away from moisture, direct sunlight, and heat.