Are you looking for a plant caddy absolutely strong and heavy duty? This one must be your best choice! With this caddy, you can easily move your heavy plant anywhere. Its saucer is made of GFRP, which has almost the same strength and hardness as steel, but not so heavy. Comparing with metal, GFRP has the advantages of no rust and no deformation. Grid-like saucer is breathable and does not accumulate water. Its thickness is up to 2cm, with strong carrying capacity. Black wheels adopt powerful steel bracket, 360 degree turning freely. Each caddy has 4 wheels (without brake). The PU tires will never scratch your floor. The caddy is not only used for moving garden pots and heavy plants, but also whiskey barrels, household appliances and other heavy things. Carrying Capacity: 400 LBS Diameter (Saucer): 10 Inches Height (Saucer with Wheels): 3 Inches