Seat Protector for Your Car Seat The Clek mat-thingy is a car seat protector designed, crash tested and approved for use with Clek infant car seats, convertible car seats, and booster seats. Its non-slip UAS-compatible design provides protection against spills, compression damage to seats, and other unwanted mess from children in your back seat! *Limited Lifetime Warranty by Clek About the brand Clek is engineered to protect your child. Designed to make a statement. They make car seats for parents like you. Stylish. Comfortable. Convenient.