1. Large-capacity foldable design: The storage box adopts a foldable structure, which can be easily folded and stored when not in use to save space; it provides large-capacity storage after unfolding, which is suitable for storing car supplies, tools, sundries, etc., keeping the trunk tidy. 2. Multifunctional partition storage: built-in partitions or elastic fixing straps (depending on the specific style), different items (such as emergency tools, drinks, shopping bags, etc.) can be placed in categories to avoid shaking and scattering during driving. 3. Waterproof and wear-resistant material: It adopts good materials such as Oxford cloth, TPU coating or PP plastic, which is waterproof and anti fouling, easy to clean, and suitable for outdoor or daily use scenarios. 4. Portable handle/fixed design: reinforced handles are equipped on both sides for easy carrying; some styles have hooks or straps, which can be fixed to the trunk anchor point to prevent displacement during emergency braking. 5. Universal adaptability: It is suitable for the trunk of most sedans, SUVs, and MPV models, with a flat bottom or non-slip design, fitting the space inside the car without damaging the original car interior.