Shop Clek infant car seats, convertible car seats, booster car seats and all car seat accessories with Free shipping. Clek car seats are safest for your child. If you want a car seat that exceeds the most accurate standards for child safety, you can trust Clek. Clek shows its caring for future generations and making life better for the whole family is the fact that all Clek car seats are recyclable. From its testing and manufacturing process, all product materials are reusable.