1. If your furniture is made of paint, glass or marble, you are advised to buy a PVC table mat with pattern or opaque (grinding). Because transparent PVC table mats have strong adsorption and high transparency, direct contact with these materials furniture will appear watermarking phenomenon, affecting the beauty. If you have cloth tablecloth on your desk, you can make a transparent PVC table mat.<br> 2, As the PVC mat expands and contracts, we will reserve the size of 1-2cm for you. Don't worry about cutting or returning goods. Because of the strict packaging, high temperature exposure in transport, PVC mattress will have a plastic odor, harmless to the human body, just open the package to breathe, natural drying flavor will slowly dissipate.