Resin umbrella base with filling cap. Use for 1-1/2" pole umbrellas. Available in black, white, sandstone or amazon green finish. Base for use with table. Grosfillex produces commercial quality, durable resin furniture suitable for use at restaurants, hotels, stadiums, country clubs, outdoor venues and other institutional uses. Their manufacturing process uses synthetic materials to produce stylish, sturdy chairs, tables, chaise lounges and more that can withstand commercial use. Although some depictions may look like wood, this furniture is manufactured from resin / synthetic processes, which makes it withstand weather and heavy use.