As the coronavirus outbreak has become a pandemic, wearing a mask is essential for protection. Sometimes reusing a mask may be inevitable, especially after a quick coffee or snack time. While a clean envelope can be used to keep the mask, a washable mask case may be a better option. It is more environmental friendly and convenient to carry around. We are currently working on design projects of mask cases. Feel free to contact us and we are here to help. 新型冠狀病毒疫情已席捲全球，口罩成為了日常生