Kids Antibacterial threaded Copper Mask adjustable

Antibacterial Korean Copper Masks for kids, adjustable. Found this great masks, light but passed the candle test. All day comfortable wear, they won’t muffle your voice. About:‘Comfortable everyday mask, with a polyester blend outer layer and a copper-lined ionized quartz yarn inner layer. Copper’s antimicrobial properties have been well documented, including killing viruses & germs within four hours, substantially faster than several days on most other mask materials in the market.’