★ Suitable for: Oomuni 4 to 8 years old★ KF94 is a certified product that is certified to block up to 94% of ultrafine particles below 0.4μ and is approved by the Korean government vernment. South Korea is originally developed by Chinese yellow sand, high performance masks and slow-release masks are said to be higher than Chinese masks. ★4 layers of filter effectively blocks dust, wind and sand, oil odors, viruses ★ Glasses wont fog up even when wearing glasses while using the mask. ★ No ear pain even after wearing a mask for a long time. ★Excellent adhesion force fits your nose and blocks dust. Anti-fog glasses ★ Good fit to the skin and easy to breathe. ★Individually wrapped for hygiene and easy to carry ★ First design award winner in Korea (Korea Ministry of Industry 18DG010009, 2018) ★ USA FDA inspected & approved mask ★ Please refer to YOUTUBE for this product. https://www.youtube.com/watch? v=N_CKIhYRUvY Made in Korea