The EZ Door is proven to decrease the fire risk to your home, preventing injury to those you care about while adding beauty and style to your home. It also has been proven to greatly increase the efficiency of the fireplace by acting as a barrier between your home and your chimney and keeping drafts out. These bi-fold doors are easy to install and provides the safety, efficiency and beauty at a fraction of the price of other doors. The EZ door is made in the USA, comes with free shipping, and a 2-year warranty against defects in materials, workmanship, and glass. Please remember to always keep your doors open when using your fireplace.