Material: Stretchy Polyurethane Sponge, Breathable Thin One Layer Condition: NEW Included: 3 pcs THREE mixed colors PER ORDER ! enjoy fast free shipping all over ! if you have fav colors please leave us a note at check out and we will do our best for you ! Description: • Protect from dust, pollen, and other airborne particles such as air pollution. • Washable reusable up to 3 times. • Super light weight. One layer • Anti-droplet, anti-dust, anti-haze • Soft breathe well • Stretchy polyurethane sponge • Thickness: 2mm (0.07 inch) • Density: 50kg/m • All photos are taken from actual items. We do not use stock photos. • The mask is NOT FDA-approved, NOT intended for medical use, and NOT proven to reduce the transmission of virus or cure disease. • NOT intended as a replacement for gas masks and medical masks. Manufacturer's Size Chart: YDPS-PDSM-BLK-1BAG ADULT / TEEN SIZING One Size fits most: Approx 12.6 x 5.1 inch (320*130mm)