The 4520 protective coverall from 3M is disposable safety work wear made of lightweight, breathable polypropylene. It helps provide basic barrier protection against light liquid splashes and hazardous dusts. Benefits Made with a breathable material that helps reduce heat build-up and promote comfortable wear. Three panel hood design helps provide a more comfortable fit and a sleek, low-profile style. Elastic waist and ankles for convenience and freedom of movement. Knit cuffs for increased comfort Two-way zipper with sealable storm flap for convenience and to help provide additional protection. Anti-static coating on both sides helps reduce static build-up and prevent the risk of static discharge during use. Does not contain components made from natural rubber latex to help prevent reactions from users with latex sensitivities or restrictions.