ShadeMart 9 ft x 12 ft Green Rectangle Sun Shade Sail - Breathable UV

In this review of the ShadeMart 9 ft x 12 ft Green Rectangle Sun Shade Sail the bottom line is simple: it is a practical, cost-effective shade solution for patios, carports and poolside equipment where airflow and UV protection matter most. The reviewer found the woven HDPE fabric and stainless steel D rings deliver a durable, easy-to-install canopy that cuts sunlight and lowers temperature without trapping moisture. This sail is best for homeowners and renters who want a breathable, long-lasting cover rather than a fully waterproof canopy.

Key Features

• Woven HDPE fabric: provides a strong, tear-resistant surface that blocks up to 95% of harmful UV rays while remaining breathable.
• Stainless steel corner D rings: attach to heavy duty white webbing for secure mounting and reliable long-term hold.
• Water permeable design: allows rainwater and air to pass through, preventing pooling and encouraging airflow under the sail.
• Temperature reduction: significantly lowers ambient temperature beneath the sail by roughly 10 to 15 degrees, making outdoor spaces more comfortable.
• Custom sizing available: a selection of custom sizes lets buyers match odd or large venues when standard sizes do not fit exactly.
• Versatile mounting: can be anchored to poles, trees, walls or roofs using proper hardware kits for a range of applications.

Who It's For

This shade sail is well suited to homeowners, renters and small business owners who need UV protection and cooler outdoor areas without a permanent structure. It works particularly well over patios, carports, pergolas, pool equipment and yards where breathability and reduced heat are priorities.

It is not the best choice for customers who need a fully waterproof awning or for installations requiring a rigid, permanent roof. If you need complete rain protection or a hard canopy, look for a waterproof alternative instead.

Pros & Cons

Pros

• Durable woven HDPE material and reinforced stitching deliver good long-term strength and resistance to tearing.
• Stainless steel D rings and heavy duty webbing make attaching and tensioning the sail straightforward and secure.
• Breathable, water permeable design prevents pooling and helps keep areas cooler beneath the sail.
• Good value for the price compared with building a fixed cover, and available in custom sizes.

Cons

• Not waterproof, so it will not keep an area dry in heavy rain.
• Manual measurements may result in slight size variations, so careful measuring is required before ordering.

Specifications

Brand	ShadeMart
Shape	Rectangle
Size	9 ft x 12 ft
Material	Woven HDPE (High Density Polyethylene)
Corner hardware	Stainless steel D rings with heavy duty white webbing
Functionality	Water permeable, breathable, blocks up to 95% UV
Customization	Custom sizes available (measure accurately)

Our Verdict

The ShadeMart 9 ft x 12 ft Green Rectangle Sun Shade Sail is a solid, affordable option for anyone who wants reliable UV protection, good airflow and simple installation without a permanent structure. Its durable HDPE fabric and stainless steel fittings make it a practical choice for patios, carports and poolside coverage, as long as you accept that it is not waterproof. Overall it offers strong value for outdoor shading needs.

Frequently Asked Questions

Is this shade sail waterproof?
The sail is water permeable and breathable, so it is not waterproof and will allow water to pass through.

Can it reduce temperature under the sail?
Yes, customers report a noticeable temperature reduction, typically around 10 to 15 degrees beneath the sail.

Can the sail be custom sized?
Yes, custom sizes are available but measure your venue carefully because manual measurements may cause slight variation.