Buy this medicine KN95 Disposable Face Mask x5 on Allschoolabs.com. In these trying times, your safety and that of others is paramount so you should always wear a face mask to reduce the possibility of being infected. A good reuseable nose mask has many benefits including protecting you from dust, dirty air particles and stray saliva from people talking close to you. Whether you use a face mask like this, a 3M mask or a washable n95 nose mask, check that it’s the right size and safe for kids before wearing it for them.