Earloop Particulate Face Mask 50/Box Features Single use 3-Ply construction Eco Friendly, biodegradation breathable and soft Latex and fiberglass free Adjustable nose clip Low breathing resistance Material Composition Material: SBPP = Melt blown filter paper + SBPP First Layer (PP): PP non-woven ~ Weight: 25gsm Middle Layer (Filter): Melt blown filter paper N95 (BFE: 95%) : 25 gsm 3rd Layer (PP): PP non-woven ~ Weight: 25gsm Size: 17.5 x 9.5 cm Color: Blue