Stay safer together with the reusable face masks. Protect you and your little ones with these comfy double-layered fabric masks when out and about. This mask also comes with a slot to insert your filter of choice. Filters not provided. While it's optional, we recommend that you use with a filter insert for extra protection. 100% Cotton. This mask is machine washable and there's no limit to the number of times these masks can be washed and used. Please note that these masks does not replace a medical-grade mask.