The product is a pack of 50 3M 9502+ KN95 NIOSH Protective Disposable Face Mask Cover Respirators. These masks are designed for various disciplines such as emergency medicine, dermatology, dentistry, and cardiology. Made in the United States by the trusted brand 3M, these masks offer a high level of protection for healthcare professionals in a range of medical and lab settings. With the N95 filter, these masks are able to effectively filter out airborne particles to ensure the safety and health of those wearing them. Exp 2025. Great for painting, medical, dental, etc.