About this item ☂️ CAUTION & CARE - To make this double top patio umbrella stable, you must purchase a weighted base separately, use a sandbag or bricks, or nail the foundation to your deck. ✉NOTE - The base is NOT included in this item. ?We Highly Recommend JEAREY umbrella base (ASIN: B08S3HV18W) for this heavy duty patio umbrellas ☂️【2023 UPGRADED】- We focus on user experience, so we upgraded some internal structure this year to extend the life of the umbrella and improve the cost performance. ☀️Add a pulley mechanism inside the crank to reduce the breakage of the umbrella cord. ☀️Add an inner padding at the upper and lower umbrella ribs to improve the wind resistance of the deluxe umbrella. ☀️Add a plastic trumpet shell on the upper part of the umbrella tray to avoid the problem of cantilever umbrella misalignment ☂️ ASSEMBLY INSTRUCTION - Based on customer feedback, we have prepared a detailed installation video, please watch the installation video carefully before installing this market umbrella, and assemble it in combination with the instructions, which can avoid unnecessary assembly errors ☂️ CRANK AND TILT SYSTEM DESIGN - This patio cantilever umbrellas is easy to opening and closing with it's crank and tilt system. Convenient slide and lock operation system offers multiple angles of shading that helps you keep the sun out from many angles and creates cool and comfortable environment for your family ☂️ PROVIDES A WIDE RANGE OF SHADE - The canopy size of this outdoor umbrella is 9'X9', unique double-top canopy design for commercial and residential use. The handle on the pole moves up and down to adjust your garden umbrellas angle! Provides a wide range of shade at any angle with the press of a button ☂️ DOUBLE TOP DESIGN - Double top air vent to allow enough air flow and heat venting. Hot air or wind will flow through the multiple vents quickly which can make your patio hanging umbrellas more stable against windy condition and cooler underneath ☂️ UMBRELLA COVER INCLUDED - In order to extend service life of your new 2 tier patio umbrella, we customized the patio parasol cover for each outdoor umbrella, we recommend you to cover and store the umbrella at night or during extreme weather conditions ☂️ PERFECT AFTER-SALES SERVICE - We proudly provide a 1 year warranty service and 24/7 customer service. ? Please contact with us online first once you have any trouble with our offset umbrella, we will try our best to solve your problem ?