Slip-N-Grip Seat Covers, Heavy Duty 200ct. Show customers you care! Seats stay clean and customers are impressed. The multi-layer construction ensures that they stay in place throughout the entire service process. The bottom layer grips the seat to stay in place while the slick top layer allows easy entry and exit from the vehicle. Slip-N-Grip seat covers are manufactured in the USA and are the only interior protection used in both OEM and aftermarket applications. The seat covers will protect your seats against all spills liquid and solids.