The perfect blend of trusted safety, relaxing comfort and superior convenience make the frontier click tight an exceptional harness-2-booster seat for your growing toddler. You simply squeeze the release button to open, buckle the seat belt across the belt path and then click the seat shut for a proper installation every time no shoving, kneeing, or yanking required. Safe cell impact protection surrounds your child in safety components that work together to protect well beyond the established federal safety standards. Amazon Prime Eligible.