The umbrella has a steel bottom, an aluminum stand, and a waterproof polyester top.
Brad's Deals Editor Jim,
This 10' Offset Patio Umbrella was already on sale for $62.99, but you can get it for $57.99 when you use our exclusive code BRADSUMBRELLA5 during checkout at Best Choice Products. Shipping is free, and that's the best price we can find anywhere by about $3 for this style. The umbrella has a weather-resistant aluminum stand and a waterproof polyester top. The base has a steel bottom frame for strength. You can use the built-in crank to close the umbrella before you store it. Note: The base is sold separately. Sales tax is charged in some states.