Sell Face Mask 3-Ply - Anti-dust/Dust Proof (50 Pcs) best price

Welcome to LONGBO official store. Our watch is from the LONGBO China factory. 100% original and high quality. Welcome to order! ✅ Our mask is shipped from China and can arrive at your address in 7-15 days Executive standard: GB / T32610-2016 High quality 3.0g 3ply mask 3 Ply for Excellent Protection Nose bar adaptable Elastic ear loop type Low breathing resistance High filtration efficiency Adjustable to comfort Pacakge: 50pcs with paper box When wearing this mask, ensure that: 1. The coloured side (blue color) of the mask faces outwards, with the metallic strip uppermost. 2. The strings or elastic bands are positioned properly to keep the mask firmly in place. 3. The mask covers the nose, mouth and chin. 4. The metallic strip moulds to the bridge of the nose.