Strong 2 inches aluminum Pole and 8 reinforced ribs make this heavy duty umbrella super sturdy. NOTICE: 2" Main pole DIA. is thicker than usual umbrella. Please measure your table hole and base tube before ordering. 10 Ft Patio Umbrella, made of durable PU coated fabric. Water-resistant, UV protective and fade-resistant Canopy. Wind vent Included Open and close with crank lifting mechanism. One push button coupling for tilting, provides excellent shade. Tie up our patio umbrella with straps, preventing toppling in windy day. Match one round, square or rectangle table with 4 to 6 chairs.