Use the crank to open and close the umbrella effortlessly. -Effective protection against rain and sunshine -The aluminum material is durable, and the painted surface extends durability. -10 ft patio umbrella provides large shade. -Shading umbrella for garden, hotel, market, saloon and deck -Double vents are designed to allow air flow and reduce wind pressure. -A unique and beautiful 3-tier patio umbrella -A strap is available to tie up the umbrella once closed. -Adjust tilt of the patio umbrella