Safeyear heavy duty PVC boots are made of high-quality PVC material by integration of injection molding. Our heavy-duty rain boots are not only water resistant and slip resistant, but also they have a steel toecap and steel plate, which can protect your toe and arch from dropping heavy objects and hard piercing objects in some working places, such as building concrete workplace, building concrete pavement, etc. These heavy duty wellington boots are also resistant to oil, strong acid, and alkali. No matter how harsh the work environment is, these heavy rain boots will help you eliminate those risks.