3M Disposable Protective Coverall Safety Work Wear 4520 • Disposable safety Coverall work wear• Made of lightweight, breathable polypropylene with flame resistance.• Designed to be worn over primary FR garments• Protection against dusts and light liquid splashes.• Elastic waist and ankles for convenience and freedom of movement• Three panel hood design for compatibility with complimentary PPE• Flame retardant coating offering secondary protection against heat and flame• Anti-static coating on both sides