5 Pack Adult face masks Nanosase G Sports face masks BNS Poly Spandex 3D NANO Face Mask.
✅ TOTAL: 5 face masks - Made in USA for Adult, One Size Fits Most.
✅ PACKAGING: In Authentic Nanosase® Vacuum Sealed Tamper-Proof Retail Packaging.
✅ MASK MATERIAL: High Density “BNS” Polyester Spandex Blend, Multiple Micro Layers of nonwoven fabric to form the thickness.
✅ ASTM F3502: Lab tested for Protection. Poly Spandex are not like cotton fabric. It’s a synthetic fiber, much like your medical mask, which are measured by density not measured by layers for protection.
✅ NANO: License US patented NANO processing fabric treatment technology. A better option for sports where breathability is required such as exercises, cycling, running, travel, school and daily use.