KF94 masks, ffp2masksanitary and convenient for using. Made of high quality material, safe, soft and comfortable. 95% filtration, provide anti-dust protection for you. Protect you from airborne particulates and pollution. Elastic straps and adjustable nose clip for different face shapes and sizes. Perfect for daily use and outdoor activities. Anti-Dust Anti PM2.5 Filter PM2.5,and harmful substance in the air,protect your health Type: ears wearing Material: high quality non woven fabric,etc Specifications: Material: Non-woven fabric + filter layer Protection Class: KF94 ffp2 MASK Filtering Rate: 95% (0.075m particles) Applications: daily life, factory workshop,SPAs,school,working places,etc Package Included: 50/100PCS* Masks Notes: 1)The mask maybe have some difference from pictures in some parts,stracture and color,etc because of different production period and some improvement done,thanks for your kind understanding. 2) The mixed styles in a selling packing happens sometime (but all the masks have the same functions and similar structures), thanks for your kind understanding.