Sturdy and durable material: made of aluminium alloy, lightweight and sturdy, not easy to deformation, wear and tear, can withstand all kinds of collision and friction in daily use, providing a long and reliable protection for your shopping trip. Practical shopping function: designed for unlocking the shopping cart, it is a convenient tool to get the right to use the shopping cart. Easy to cope with, make your shopping process smoother. Eye-catching Silver Appearance: The silver colour appearance is fashionable and generous, which not only has good visual recognition, but also makes it easy for you to find it quickly among many keys and small objects. Suitable size: 75mm32mm5.5mm size, compact and portable, easy to carry in your pocket, bag, also convenient to hang on the key chain, will not take up too much space. WIDELY APPLIED PEOPLE: Suitable for frequent shoppers, whether it is a housewife purchasing daily necessities, or office workers to buy daily needs, can benefit from this keychain, for your shopping trip to bring convenience.