- Stair Climb Design : The innovative triangular wheel design allows for hassle-free stair navigation, ensuring smooth movement and reduced effort when transporting your shopping cart or trolley. - Durable Materials : Crafted from high-quality PU and stainless steel, these wheels are built to last, resisting wear and tear for reliable, long-term performance during your shopping excursions. - Compact Size : With a diameter of 9 cm (3.54 inches), each wheel strikes the perfect balance between stability and agility, making it suitable for various surfaces and terrains. - Convenient Replacement : The package includes one pair of spare wheels, simplifying the upgrade or replacement process for your existing cart or trolley wheels. Use Scenarios : 1. Grocery Shopping : Effortlessly navigate store aisles and manage stairs while transporting heavy bags. 2. Outdoor Activities : Easily push your trolley across rugged terrain, from parks to farmers' markets, without compromising stability. 3. Home Use : Replace worn-out wheels on your laundry or utility cart to enhance functionality and ease of use. Enhance the overall experience of your shopping routine with these reliable, high-performance wheels that provide the support and convenience you need.