1. sealing performance: The car seat gap filler effectively seals the gaps between the seats and other interior components, preventing small items such as phones, keys, or coins from falling into unreachable spaces. The storage box for car seats ensures a tidy and organized interior environment. 2. Easy installation: Measuring 40.9 x 6.5 x 3.3 cm (16.1 x 2.56 x 1.3 inches), the car seat gap filler is easy to install—simply slide it into the gap between the seat and the center console or gear lever. Its compact design takes up minimal space, allowing you to utilize your car's interior more efficiently. 3. Shock absorption and noise reduction: Thanks to their soft and elastic texture, the car seat gap fillers provide cushioning that absorbs shocks and vibrations, reducing interior noise levels. The storage box for car seats enhances the overall driving experience by creating a quieter and more comfortable atmosphere. 4. Increased safety: Universal car seat gap fillers prevent items from falling into seat gaps, contributing to road safety by minimizing distractions caused by searching for lost items while driving.