Eliminate the cumbersome task of opening and closing your patio umbrella canopy by crank, pulley, or slide mechanism with the exclusive spring-up Auto-Open Umbrella.The patented design features a push button that opens the Olefin fabric canopy automatically upon pressing. Simply insert the lock pin after it opens and you are ready for immediate relaxation and shade coverage in your own backyard. This umbrella comes complete with a single wind vent to help prevent damage in high winds, and a dual reinforced 8-rib frame for lasting support. The pole is made of sturdy rust-resistant, zinc-plated steel with a bronze colour finish to perfectly accent your patio furniture.Bring the Auto-Open Market Umbrella to your patio area today to provide all the benefits a umbrella should have with none of the hassle. 2-year Limited Warranty on canopy fabric; 3 year warranty on pole and structure. 50-lb base recommended (sold separately)