a 3 - tier foldable storage shelf with wheels is a must - have for those who value both functionality and convenience. this 30 x 13 x 36 - inch metal shelving unit offers a wide range of benefits that make it stand out in market.first, let's talk about installation. it's as simple as it gets. unfold portable shelf, snap on top panel, and ! you don't need any tools for a quick and easy setup. however, if you want to reinforce its stability initially, you can use included spanner. this means that anyone can install it without need for professional help or complex tools. mobility of this shelf is a game - changer. with 5 swivel wheels, 2 of which have brakes, it can move freely on different floor types such as tiles, cement, and floors. 360 rotation of wheels eliminates problem of a shelf getting stuck in a corner. it can support up to 200 lbs, so you can move it around your home or office while it's fully loaded. whether you need to re - arrange your storage space or move it for cleaning, it's easy to do. sturdiness of shelf is remarkable. q235a carbon steel frame provides a strong foundation, capable of holding up to 190 lbs per layer. detachable support feet increase its static load capacity to 570 lbs. crossbar is a smart addition that keeps your items secure and prevents them from slipping off. you can use it to store heavy books, tools, or other bulky items with confidence. space - saving feature is one of its most attractive aspects. when folded, shelf is only 4.3 inches thick, making it ideal for small spaces. it can fit in tight corners of your home or even in your car trunk for outdoor use. black steel material gives it a sleek and modern appearance that can complement any interior design. whether you're a homeowner looking for extra storage in a small room or someone who needs a temporary shelf for outdoor activities, this 3 - tier foldable storage shelf with wheels is perfect solution.3 - tier foldable storage shelf, wheels, metal shelving, easy installation, easy mobility, , space - saving