11 ft x 12 ft x 16.3 ft Blue Right Triangle Shade Sail - 95% UV Block

In this review of the 11 ft x 12 ft x 16.3 ft blue right triangle shade sail, the bottom line is simple: it is a practical, customizable sun canopy for homeowners and small commercial spaces who need strong UV protection without a rigid structure. The reviewer found the sail blocks up to 95% of UV, lowers temperatures under the canopy, and installs with common mounting hardware, making it a straightforward choice for patios, play areas, and animal enclosures. It is best for people who need a breathable, durable shade solution rather than a fully waterproof awning.

Key Features

• 95% sun protection: The 200 GSM HDPE fabric blocks up to 95% of harmful UV rays to reduce sun exposure for people and pets beneath the canopy.
• Temperature reduction: The woven material lowers ambient temperature by up to 15 degrees compared to unshaded areas, creating a noticeably cooler spot on hot days.
• Durable construction: Reinforced edges, double-layer stitching and stainless steel D-rings provide strength and resistance to fraying for longer service life.
• Custom fit: The sail is made to order from D-ring to D-ring so the finished piece matches your specified dimensions for a tailored installation.
• Breathable and water permeable: The fabric allows air and water to pass through, reducing wind load and preventing pooling during light rain.
• Flexible installation: Can be secured to trees, poles, roofs or walls with standard mounting kits and should keep at least 0.5 ft gap from D-rings to poles for best tension.

Who It's For

This shade sail suits homeowners, small business owners, and anyone who needs a cost-effective, high-UV-blocking canopy for a patio, garden, play area, or animal run. The custom-made D-ring measurements make it useful when standard-sized sails do not fit the available attachment points.

It is less suitable for those who require a fully waterproof cover or rigid structure, or for locations needing very large continuous coverage; customers seeking an exact extra-large single-sheet awning or a watertight gazebo should consider alternative products.

Pros & Cons

Pros

• High UV protection with a measured 95% blockage, improving safety in direct sun.
• Noticeable cooling effect, lowering temperatures under the sail by up to 15 degrees.
• Quality build with stainless steel D-rings, reinforced edges and double stitching for durability.
• Custom sizing from D-ring to D-ring makes it adaptable to irregular spaces.

Cons

• Some buyers report the finished piece feels smaller than expected, so careful measurement is essential.
• Not fully waterproof; water will pass through the breathable fabric during rain.

Specifications

Product shape	Right triangle
Finished size	11 ft x 12 ft x 16.3 ft
Color	Blue
Material	200 GSM HDPE
UV protection	Up to 95% blockage
Edge & fittings	Reinforced edges with stainless steel D-rings
Performance	Water and air permeable, reduces temp by up to 15 degrees

Our Verdict

The custom 11 ft x 12 ft x 16.3 ft blue right triangle shade sail is a solid value for people who need effective UV protection and a cooler shaded area without installing a permanent structure. With robust stitching and stainless fittings it handles summer use well; just confirm measurements carefully because several buyers noted the sail can appear smaller than expected.

Frequently Asked Questions

Is this sail waterproof?
The fabric is water permeable, so it will not be fully waterproof but will prevent pooling and reduce wind load.

How should I measure for a custom fit?
Measure from D-ring to D-ring at the intended attachment points and allow recommended gap distance of at least 0.5 ft from D-rings to poles.

Can it withstand wind and sun for multiple seasons?
Yes; the 200 GSM HDPE fabric, reinforced edges and stainless D-rings are designed for durability and include a 3-year assurance.