-The product is waterproof to prevent saliva and dust, and water-resistant to protect harmful substances. -It is made of Melt blown ultra-fine polypropylene fibers and melts without burning. -As the product is made of soft material, it reduces pain even when it's worn for long periods of time, and does not break easily due to its elasticity. -Although it is a disposable product, It is made of a highly reliable triple filter and is embedded with a high adherence wire. *FOB prices vary according to order amount Unit price 0.19USD Min. order amount 100,000 ea Packaging Method 50ea/1 pck Packaging Material: PP
