3M Disposable Protective Coverall 4530 The 3M Disposable Protective Coverall - 4530 is a fire resistant coverall that helps provide a basic barrier protection against light liquid splashes and hazardous dusts Other features include a 2 way zipper with a storm flap, and elastic waist and ankles for easy movement The knit cuffs provide a soft wrist closure for increased comfort The anti-static coating on both sides helps reduce static build-up and prevent the risk of static discharge during use The 3M Disposable Protective Fire Resistant Coverall - 4530 also has reinforced gusset between the legs and a 3 panel hood that is designed to provide a more comfortable fit