Custom Size 17ft x 21ft White Rectangle Sun Shade Sail - UPF50

In this review the Amgo custom size 17' x 21' white rectangle shade sail is examined for homeowners and small commercial spaces that need reliable sun protection with a tailored fit. The bottom line: this shade sail is best for people who want a heavy duty, customizable canopy that blocks most UV, cuts temperatures noticeably, and installs with basic hardware. It stands out because the 200 GSM HDPE fabric claims 95% UV blockage and combines reinforced stitching with stainless steel D-Rings to deliver durability without feeling overly rigid.

Key Features

• 95% UV blockage: The 200 GSM HDPE fabric blocks up to 95% of harmful UV rays for safer outdoor use in patios and play areas.
• Temperature reduction: The canopy reduces ambient temperatures by up to 15 degrees compared with unshaded areas, making sitting areas noticeably cooler.
• Custom fit: Measurements are taken D-ring to D-ring so the sail can be ordered to the precise dimensions needed for irregular or specific installation points.
• Durable construction: Reinforced edges, double-layer stitching, and stainless steel D-Rings help the sail resist fraying and endure demanding weather conditions.
• Flexible installation: The sail can be mounted to trees, roofs, walls, or poles and works with common mounting hardware kits for a range of setups.
• Three-year assurance: The product includes a three-year assurance that reinforces confidence in long-term performance for residential and light commercial use.

Who It's For

The Amgo 17' x 21' shade sail is a fit for homeowners, small businesses, and recreation areas that need a large, tailored canopy to provide sun and heat relief while keeping sightlines open. It suits patios, playgrounds, poolside seating, and outdoor dining areas where a lighter color and high UV blockage are preferred.

Those who should look elsewhere are buyers who need a permanently waterproof awning or a fully enclosed shelter; this sail is water and air permeable, so it sheds some water but is not a solid waterproof roof. Also, customers who want off-the-shelf standard sizes without custom measurement may prefer a ready-made fixed-size product.

Pros & Cons

Pros

• High sun protection from 200 GSM HDPE fabric that blocks about 95% of UV rays.
• Noticeable cooling effect, reducing temperatures by up to 15 degrees under the canopy.
• Sturdy hardware and construction with stainless steel D-Rings and reinforced stitching for long-term durability.
• Custom sizing allows an exact fit for awkward or specific installation points.

Cons

• Not fully waterproof; the material is water and air permeable, so it does not replace a solid roof in heavy rain.
• Custom measurement is required for best fit, which may add time compared with instant off-the-shelf purchases.

Specifications

Brand	Amgo
Material weight	200 GSM HDPE
UV protection	Up to 95% blockage (UPF50+)
Size (example)	17' x 21' rectangle (custom made)
Hardware	Stainless steel D-Rings, reinforced edges
Water permeability	Water and air permeable (not fully waterproof)
Assurance	3-year assurance included

Our Verdict

The Amgo custom 17' x 21' white rectangle shade sail is recommended for anyone who needs tailored, heavy duty sun protection that significantly cools outdoor spaces and resists wear. Its combination of 95% UV blockage, robust hardware, and customizable sizing makes it a strong value for patios, poolsides, and small commercial areas where a permeable canopy is acceptable.

Frequently Asked Questions

Is this shade sail waterproof?
The fabric is water and air permeable, so it sheds some moisture but is not a fully waterproof roof.

How should I measure for a custom sail?
Measure from D-ring to D-ring along the attachment points and allow the recommended gap near poles-about 0.5 ft or reduce by 1 to 1.5 ft per side as instructed.

How durable is the hardware?
Stainless steel D-Rings and reinforced double-layer stitching are used to improve durability and resistance to fraying and wind stress.