✔ �100% 250g Polyester Fabric】 100% 250g superior solution dyed polyester, the optimal UV protector, water-repellent, breathable, and long lasting, Use for 3 years without fading. Offset hanging shelter top with wind vent for your pleasant dining, reading and lying.✔ �Durable Aluminum Frame】 Stronger than most of the umbrellas in the market. The 10x10ft square patio offset umbrella comes with 4.13 x 2.56 inches aluminum pole provides stronger support than standard square poles. Rust free powder coated with 8 ribs (Size 1.18 x 0.79 inches). Wonderful choice for any outdoor activities.✔ �Easy Operation】 Unique handle design for crank system and foot pedal for rotation system, 6 height and angle to choose, 360-degree rotation by foot pedal for easier shading area control. Easy to tie up our patio umbrella with the strap to prolong its life especially in windy and rainy days.✔ �Widely Used】 Perfectly fits in family, villa, hotel, terrace, balcony, resort, water park, barbecue bar, western restaurant, beauty salon, outdoor leisure area, company leisure area, company rest area, etc.✔ �Important Notice】 Only the offset umbrella and the cross base are included. This patio offset umbrella must be used with a stable base or nailed sandbag on the deck to hold the umbrella from tipping over. Please make sure you have weights and your weights are heavy enough to hold the umbrella (we recommend weights should be about 220 lbs). Please pay attention to the hold distance before purchasing, and see the size image on the web carefully.✔ Pole Diameter: 4.13 x 2.56 inch ✔ Ribs: 8 Aluminum Ribs✔ Ribs Diameter: 1.18 x 0.79 inch✔ Lift: Crank and Lift Handle✔ Height Positions: 7 Positions✔ Cross Base Dimensions: 39.37 '''' L x 39.37" W x 2.36"H✔ Rotation: Yes, Use Foot Pedal to Rotate