Red Rectangle 17ft x 20ft Sun Shade Sail - 95% UV Protection

In this review of the Red Rectangle 17' x 20' sun shade sail, the bottom line is simple: this is a practical, heavy-duty shade for homeowners or small commercial spaces who want strong UV protection and airflow. The reviewer found the sail's 200 GSM HDPE fabric and reinforced stainless steel D-rings deliver dependable performance for patios, play areas, and poolside spots, and the main reason to buy is the combination of up to 95% UV blockage with a breathable, water-permeable weave that reduces temperature without trapping heat.

Key Features

• High UV protection: The 200 GSM HDPE fabric blocks up to 95% of UV rays, helping protect people and surfaces beneath the sail.
• Temperature reduction: The open weave lowers ambient temperature by as much as 15 degrees compared to unshaded areas, making outdoor time more comfortable.
• Durable construction: Reinforced edges, double-layer stitching, and stainless steel D-rings provide longevity and resist fraying under normal outdoor use.
• Breathable and water permeable: The sail lets air and some water pass through, preventing pooling and reducing wind stress on anchors.
• Custom fit: The sail is made to exact D-ring to D-ring measurements so it fits the selected space when ordered to size.
• Easy installation: Installers can attach the sail to trees, roofs, walls, or poles using standard mounting hardware and follow spacing guidance for optimum tension.

Who It's For

This shade sail is best for homeowners, cafes, play spaces, and small commercial venues that need a sizable, breathable canopy to cut sun exposure while keeping a comfortable airflow. It suits anyone who wants a custom-fit solution rather than a one-size cover and who values durable fittings like stainless D-rings and double stitching.

Those seeking a fully waterproof awning or a permanent, rigid structure should look elsewhere; this product is a permeable fabric sail designed to reduce sun and slight rain but not block heavy downpours or replace hard roofing. Also, buyers who cannot take accurate D-ring to D-ring measurements may want professional measuring help before ordering.

Pros & Cons

Pros

• Effective sun protection and cooler shaded areas thanks to the 95% blockage claim.
• Sturdy materials and fittings that customers report as durable and well made.
• Allows breezes through while shedding light rain, reducing heat buildup beneath the sail.

Cons

• One reported instance of incorrect size indicates careful measurement and order verification are important.

Specifications

Size	17' x 20' (rectangle)
Material	200 GSM HDPE
UV Protection	Up to 95% blockage
Permeability	Water and air permeable
Fittings	Stainless steel D-rings with reinforced edges
Stitching	Double-layer stitching to prevent fraying
Assurance	3-year assurance included

Our Verdict

For anyone who needs a roomy, breathable shade that prioritizes UV protection and airflow, the 17' x 20' rectangle shade sail is a sensible value. It combines a heavy-duty 200 GSM fabric, solid fittings, and customizable sizing to fit patios, pools, or commercial seating; just confirm measurements before ordering to avoid sizing issues.

Frequently Asked Questions

Is this sail waterproof?
The sail is water permeable so it sheds light rain but is not a fully waterproof roof replacement.

How much sun does it block?
The fabric is rated to block up to 95% of UV rays, reducing exposure beneath the canopy.

Can I install it on trees or posts?
Yes, it can be secured to trees, roofs, walls, or poles; allow at least 0.5 ft between D-rings and poles or follow guidance to reduce spacing for each side.