Here is an SEO-friendly product description for the "15ft Double Sided Patio Umbrella with Base Red":

Create a spacious and shaded outdoor oasis with this large 15ft double-sided red patio umbrella. Includes a sturdy base and offers ample sun protection for your yard, lawn, or garden.

• Extra-Large 15ft x 9ft Coverage: Provides an expansive 133 square feet of shade for large outdoor areas.
• Durable Steel Frame: Constructed with thick, powder-coated steel for rust resistance and long-lasting outdoor use.
• Stable 12 Steel Rib Design: Offers optimal support for the large double-sided canopy, ensuring stability.
• Easy Crank Operation: Convenient crank mechanism allows for effortless opening and closing of the umbrella.
• Excellent Sun Protection: Made with 100% polyester fabric to effectively block extra sunlight.
• Complete with Sturdy Base: Includes a durable cross base and two sandbags for added stability (sand not included, requires 150-180 lbs per bag).
• Protective Umbrella Cover: Comes with a polyester cover to safeguard the umbrella from dust, UV rays, and the elements, extending its lifespan.
• Versatile Outdoor Use: Ideal for courtyards, decks, gardens, swimming pools, and other outdoor spaces needing extensive shade.