Material - Made of high-quality polypropylene material, it is soft, durable, and environmentally friendly. Practical - Effectively organize and turn wasted space into storage space for groceries, handbags, grocery bags, wallets, backpacks, umbrellas, water bottles, shopping bags, etc. Size -11cm * 3.5cm Design - Upgraded side opening design, easy and fast installation, no need to remove headrests. Each hook can support up to 20kg/piece. Easy to Install - The special half open design allows you to easily install these hooks without removing the headrest. You can freely set or remove the hooks in a few seconds without the need for additional tools. The hooks can also easily swing in front or rear of the seat. The V-shaped hook design allows one hook to replace 2 food bags or other items, making it fast and convenient