Glasstex glass fiber wallcovering is made from all natural glass fiber yarns that are woven into various textures and patterns. The raw material comes from natural minerals without poison and harm. 1400 degrees Celsius of high temperature is applied to the material to ensure the property of healthy. It was woven with 100% quartz fiber, no poisonous gases and smoke would be released when heated, so this product is poison-free and safe.