Layers: 3 Ply Light SBPP+FILTER+SBPP Size: 17.5 x 9cms (Approx.) Type: Ear loop I Tie & Ear Loop High Filtration Capacity - With and without Nose Clip molds mask securely to face. Bacterial Filtration Efficiency:> 98.5% Particulate Filtration Efficiency at 0.3 Microns: >99% Certifications & COA Available Box of 50 / 100 pcs available. Packing: Packaging Option 1 :With box- 50pcs per box,40 box per carton box A Carton Box Size 60 x 39 x 36cm weight 9.5kg per carton Option 2 :Without box - 50pcs per poly bag 50 bags per carton box A Carton Box Size 60 x 39 x 36cm weight 10kg per carton Option 3 : 1OOpiecs in a pack, 75packs in a Carton Box A Carton Box Size :698 x 558 x 458mm (L x H x W) A Carton Box Weight : 19.S kg