Amazing 1 Piece Minimum! When the weather is ideal for outdoor seating, make sure to shade your patrons with our Vented Bistro Umbrella! Made of high-density coated 8 oz. polyester, this umbrella features a 7′ (84″) vented canopy arc, extra-heavy fiberglass ribs, a safe opening device (runner), an aircraft aluminum 38mm pole, a three position tilting device and a removable canopy for easy cleaning and inexpensive replacement. Offered in an assortment of bold colors, the 6 printable panels and valances are perfect for advertising your brand name and logo! Patented frame construction. Umbrellas can be used with tables or they can be freestanding; we offer umbrella bases (sold separately) to support each purpose.