Carpet Protector Chair Mat Protect carpeting with this PP series carpet protector chair mat. This carpet protector chair mat is made from durable polypropylene & is 100% PVC-free. It is environmetally friendly & does not emit any chemical gases as many PVC chair mats do. It is resistant to cracking, curling, scratching & yellowing. This carpet protector also prevents office chairs from becoming stuck & enables you to freely move from task to task in your work environment. Carpeting will be protected from unpleasant spills & will remain untouched & undamaged by office furniture. PP series carpet protectors are perfect for low, medium & deep pile carpets up to 15mm thick. They are not completely see-through but have a frosted/opaque effect (see pictures). If you are looking for highly transparent chair mats we recommend the PRO series product range for carpet flooring. FAQ Guide to Chair Mats What is polyproylene? Chair Mat FAQ