Description This Cart Caster is made of iron material, in the stable triangle structure design, this caster is stable and has a good performance. With the wheel, the cart can be easily used to carry groceries home, perfect for carrying heavy boxes, groceries and clothing up and down stairs in supermarkets, homes, etc. Features -Color:Black -Material:Plastic,iron -Size:21.50X21.50X5.00cm/8.45X8.45X1.97in -Multifunctional: can be used not only as a shopping cart, but also as a tool cart, garden cart, etc. -With the stable triangle structure design, this cart wheel can be pulled smoothly without breaking or tilting. -Large storage space: can hold a variety of items, such as groceries, luggage, and gardening tools. -Wheel design: improves the overall stability of the cart and reduces the noise during use. -The special triangular wheel design can effectively reduce wear when running stairs. Multifunctional: can be used not only as a shopping cart, but also as a tool cart, garden cart, etc. With the stable triangle structure design, this cart wheel can be pulled smoothly without breaking or tilting. Large storage space: can hold a variety of items, such as groceries, luggage, and gardening tools. Wheel design: improves the overall stability of the cart and reduces the noise during use. The special triangular wheel design can effectively reduce wear when running stairs.