The material is 100% PVC film. The surface and back are smooth. Both sides are the same and can be used. If there is a bad smell, please leave it in a ventilated place for 1-2 days to make it disappear. Please put heavy objects on the roll or apply hot air to flatten it. Roll products are carefully cut directly from the roll. We usually cut slightly larger than the actual size to avoid shrinkage. Slight differences in size are not a quality issue. You can cut it to size. For a perfect cut, you need sharp scissors, a pencil and a ruler. Due to its high-quality appearance, it can easily be mistaken for a real glass panel. It is very versatile: anti-slip, sound-absorbing, glossy, protective, smooth and transparent. It is like a transparent and washable tablecloth. The PVC table protector is washable. Simply wipe the transparent PVC film with a damp cloth and it will be as good as new. Air bubbles may form between the tablecloth and shiny surfaces. You can avoid them by placing a cloth