Crafted from high elasticity crystal PU Component, these Wheel, Quiet, and smooth across various surfaces, enhancing stability and load bearing capacity Ideal for family frequently transporting heavy items, couriers, and warehouse workers, these Wheel provide a Stable solution for everyday challenge Perfect for stair transportation, shopping cart modifications, and luggage upgrades, these Multifunction Wheel adapt to multiple situation, ensuring convenience and efficiency easy stair climbing with our Stair Climbing Wheel, featuring a stable triangle structure that significantly reduces the effort need to your cart upstairs Upgrades your utility cart or foldable shopping cart with these strong stair Climbers Wheel, designs to with stand the demands of city living while providing smooth Mobilities, Manufacturer: JAZUAIAO