Rewritable: Comparing with that there are currently many signboards are one-off, this product is rewritable, suitable for announcement boards and advertisement boards which need updating regularly.

• 可擦拭：针对目前大多广告招牌是一次性的，本品具有可反复多次使用功能，适用于各种需要经常更换内容的告示，招牌。