Sun Shade Sail 11ft x 20ft Butter Cream Rectangle - Cooling UV Block

In this review of the 11' x 20' butter cream rectangle sun shade sail, the bottom line is simple: it is a practical, low-cost way to create long, dappled shade for a patio, deck, or pergola. The reviewer found the canopy especially useful for homeowners who want reliable UV reduction without blocking airflow; the high-density polyethylene fabric is credited with blocking up to 95% of UV rays while still allowing cooling breezes and light rain to pass through. Installation is straightforward for anyone comfortable with basic ropes and mounting points, and the finished look is surprisingly neat thanks to the curved edges and reinforced seams.

Key Features

• High UV protection: The knitted mesh fabric blocks up to 95% of UV rays, helping protect people and furniture from sun exposure.
• Permeable design: The material allows air and raindrops to pass through, so the shaded area stays cooler and does not trap heat.
• Durable construction: Fabric is cut from a complete mesh and finished with double-strength stitched seams for longer life in outdoor conditions.
• Rust-resistant fittings: Each corner has an anti-rust D-ring and the sail includes four cords to simplify setup and secure mounting.
• Curved edge styling: The curved edges reduce sagging and improve the canopy's overall appearance and shading performance.

Who It's For

This sun shade sail is a good fit for homeowners with a small to medium patio, deck, pergola, or backyard seating area who want a straightforward way to add UV protection and style. It also suits renters or DIYers who prefer a temporary or seasonal shade solution that is easy to put up and take down.

People who need a fully waterproof canopy or require precise, load-bearing hardware integrated into a permanent structure should look elsewhere; the sail is permeable by design and measurements include D-ring tolerance, so planning for anchors and accessories is required.

Pros & Cons

Pros

• Blocks a high percentage of UV rays, offering meaningful sun protection for outdoor living spaces.
• Permeable mesh keeps air flowing, resulting in cooler shade compared with solid canopies.
• Includes anti-rust D-rings and cords, and the double-stitched seams feel robust for seasonal use.
• Curved edges maintain tension and a cleaner look after installation.

Cons

• Not waterproof, so it will not provide complete rain protection for furniture or electronics.
• Length is measured edge-to-edge including D-rings with a tolerance, so exact sizing for tight installations requires careful planning.

Specifications

Our Verdict

The 11' x 20' butter cream sun shade sail is a sensible buy for anyone wanting attractive, effective UV shade without sacrificing airflow. It offers strong sun protection, durable stitching, and easy hardware that make it good value for seasonal outdoor living areas; just plan anchor points carefully and expect a permeable, not waterproof, canopy.

Frequently Asked Questions

Is this sail waterproof?
No. The knitted mesh is permeable so it allows raindrops to pass through and is not intended as a waterproof cover.

How much UV protection does it provide?
The sail blocks up to 95% of UV rays for the butter cream/colored series, with slightly lower rates for the white series.

Are mounting accessories included?
The sail includes four cords and has anti-rust D-rings, but more robust mounting hardware should be purchased separately if needed for permanent anchors.