Wagner Waterproof Large Square Plant Caddy is beautiful and extremely durable! Made of Wood Plastic Composite in a beautiful grey color it is water and uv-resistantso it can be used indoors or out! Equipped with heavy-duty smooth rolling caster wheels and dimensionally stable. 25-year guarantee. Load capacity of 265 lbs 15.5″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.