Wagner Waterproof Round Plant Caddy is beautiful and extremely durable! Made of Wood Plastic Composite it is water and uv-resistant so it can be used indoors or out! 25-year guarantee heavy duty casters with brakes. Load capacity of 220 lbs 11.4" diameter. The Wagner company located in southern Germany near the Black Forest has earned a reputation for exceptional quality. With over 40 years experience in design and manufacturing their products are rigorously tested for safety and durability.