2012 Toyota Venza Clazzio Leather Seat Covers - Light Gray - Full Set - Front and Rear Row They are made of PVC Synthetic Leather with Perforated Real Leather inserts. Premium Quality Materials! These are custom fit "slip-on" seat covers. No Special Tools or Professional Installation required. All seat features will remain fully functional with Clazzio Seat Covers installed. They are 100% Compatible with built-in Side Air Bags (if applicable). Important note: This Seat Cover Kit is designed to convert your Cloth seats to Leather Seats. It will only work with factory cloth seats.