17ft x 21ft White Rectangle Sun Shade Sail - 95% UV Protection

In this review the Amgo 17' x 21' white rectangle sun shade sail is evaluated as a practical solution for homeowners and small businesses who need reliable sun protection. The bottom line: it is best for buyers who want a custom-fit, durable shade that cuts UV exposure and lowers outdoor temperatures, while remaining breathable. The reviewer found the sail's 95% sun protection and sturdy construction to be the single biggest reason to choose it for patios, play areas, or pergola covers.

Key Features

• 95% UV Blockage: The sail is made from 200 GSM HDPE material that blocks up to 95% of harmful UV rays for safer outdoor time.
• Temperature Reduction: Tested to reduce surrounding temperatures by up to 15 degrees compared to unshaded areas, making patios and decks noticeably cooler.
• Customizable Fit: Measurements are taken D-ring to D-ring so the sail can be ordered to match a particular area and achieve a tailored look.
• Easy Installation: The flexible design allows attachment to trees, roofs, walls, or poles using standard mounting hardware kits and clear spacing guidance.
• Premium Durability: Reinforced edges, double-layer stitching and stainless steel D-rings help the sail resist fraying and extend service life.
• Breathable and Water Permeable: The HDPE weave passes air and water while shading, so it reduces heat without trapping moisture beneath it.

Who It's For

The sail is ideal for homeowners looking to cool patios, decks, poolsides or play areas without permanent construction, and for small commercial spaces such as cafes or outdoor seating that need a breathable, durable canopy. People who appreciate a custom fit and straightforward installation will value the D-ring to D-ring sizing and customization option for straight edges.

Those who need a completely waterproof, solid blackout canopy should look elsewhere, since this product is water permeable and designed to allow breezes through. Also, buyers must measure carefully because one reported customer received incorrect dimensions, so precise measurement and communication during ordering are important.

Pros & Cons

Pros

• Effective sun protection that blocks up to 95% of UV rays for safer outdoor use.
• Material and construction feel durable, with reinforced edges and stainless steel D-rings for secure mounting.
• Customization and clear measurement method allow a tailored fit for irregular spaces.
• Breathable design reduces temperature while allowing air flow, avoiding a stifling canopy.

Cons

• Not fully waterproof; it lets water pass through rather than shedding it completely.
• Occasional sizing or fulfillment error reported, so careful measurement and order confirmation are recommended.

Specifications

Size	17 ft x 21 ft (custom order to make)
Color	White
Material	200 GSM HDPE
UV Protection	Up to 95% blockage
Permeability	Water and air permeable
Hardware	Stainless steel D-rings, reinforced edges, double-layer stitching
Assurance	3 years

Our Verdict

The Amgo 17' x 21' white rectangle shade sail is a solid value for anyone needing high UV protection and cooler outdoor spaces without permanent construction. It combines durable construction with customizable sizing and breathability, making it a practical pick for patios, poolsides, and commercial seating; just confirm measurements when ordering to avoid fit issues.

Frequently Asked Questions

Is the sail waterproof?
Answer. No, it is water permeable by design so it allows water and air to pass through rather than fully shedding rain.

How should I measure for a custom fit?
Answer. Measure from D-ring to D-ring for each side so the manufacturer can produce a tailored sail; leave the recommended corner gap when planning attachment points.

What hardware is included or required?
Answer. The sail features stainless steel D-rings and reinforced edges; a separate mounting hardware kit is used to attach it to trees, poles, walls or roofs.