10ft x 17ft x 19.7ft Gray Right Triangle Sun Shade Sail - Cooler, UV95

In this review the focus is on a large, custom-size right triangle shade sail designed for patios and outdoor seating. The product is best for homeowners or small businesses seeking strong sun protection across an irregular area where a standard umbrella or fixed awning won't fit; the single biggest reason to buy is its stated 95% UV blockage, which offers meaningful protection and cooler temperatures for shaded spaces. The sail is made from 200 GSM HDPE with reinforced edges and stainless steel D-Rings, so the reviewer evaluates fit, ease of installation, weather behavior, and long-term durability based on user feedback.

Key Features

• 95% UV protection: The 200 GSM HDPE fabric is designed to block up to 95% of harmful UV rays so shaded areas stay safer for people and furnishings.
• Temperature reduction: In practice the shade can lower ambient temperature by up to 15 degrees compared to unshaded spots, making outdoor time noticeably more comfortable.
• Custom sizing: The sail is made to order using D-ring to D-ring measurements so it can fit awkward or nonstandard areas rather than forcing a standard size.
• Durable construction: Reinforced edges, double-layer stitching and stainless steel D-Rings are intended to resist fraying and provide reliable anchor points for tensioned installation.
• Permeable design: Water and air permeability reduce wind load and pooling, so the sail performs better in breezy or light-rain conditions than fully waterproof covers.
• Flexible installation: The sail can be attached to trees, roofs, walls or posts and allows a recommended 0.5 ft gap at corners for optimal tensioning.

Who It's For

This sail suits homeowners, cafes, and small commercial spaces that need a large, tailored shade over patios, play areas, or seating zones where a straight-edge awning or umbrella cannot cover the footprint. It is especially useful when cooling and UV protection are priorities rather than full waterproofing.

Shoppers who want a rigid, waterproof canopy or who need a product guaranteed to last many years in extreme sun may want to consider more heavily coated or framed options; customer reports note mixed long-term durability under constant high-UV exposure, so very exposed installations should be checked regularly.

Pros & Cons

Pros

• High sun protection that meaningfully reduces UV exposure and lowers ambient temperature beneath the sail.
• Custom sizing from D-ring to D-ring gives a tailored fit for irregular spaces.
• Stainless steel D-Rings and reinforced, double-stitched edges deliver a sturdy build for tensioned installs.
• Permeable fabric prevents heavy water pooling and reduces wind stress on the attachment points.

Cons

• Durability is mixed in user reports; some customers saw good longevity while a few experienced deterioration after about a year in strong sun.

Specifications

Shape	Right triangle
Size	10 ft x 17 ft x 19.7 ft
Material	200 GSM HDPE
Sun protection	Up to 95% UV blockage
Permeability	Water and air permeable
Hardware	Stainless steel D-Rings, reinforced edges
Warranty	3 years assurance included

Our Verdict

The custom right triangle shade sail is a practical, cost-effective choice for shading irregular outdoor areas where UV protection and cooler temperatures matter most. Its strong sun blockage, breathable fabric and reinforced hardware make it good value for patios and small commercial spaces, though buyers in very harsh sun should monitor the sail for wear over time.

Frequently Asked Questions

Is this shade sail waterproof?
No. The fabric is water and air permeable, so it sheds light rain but is not fully waterproof.

How should I measure for a custom fit?
Measure from D-ring to D-ring for each corner; the seller makes the sail to those dimensions for a tailored fit.

How long will it last in direct sun?
Longevity varies by exposure; many users report over a year of solid service, but a few noted deterioration after about 14 months in constant strong sun, so periodic inspection is advised.