SUNLAX Sun Shade Sail 13ft x 13ft Butter Cream Rectangle - UV Block

In this review the SUNLAX Sun Shade Sail 13' x 13' Butter Cream rectangle is assessed for homeowners and renters who want affordable, effective outdoor shade. The bottom line: this shade sail delivers strong sun protection with a pleasant dappled finish and durable construction, making it a sensible choice for patios, decks, pergolas or backyard seating areas. The reviewer found it straightforward to mount and notably effective at reducing direct sunlight while still allowing cooling breezes to pass through.

Key Features

• High-density material: The knitted polyethylene fabric blocks up to 95% of UV rays and reduces direct sun exposure while allowing air flow.
• Cutting craftsmanship: The sail is cut from a complete mesh and finished with double-strength stitched seams for improved edge strength and durability.
• Curved edge design: Curved edges help prevent sagging over time and improve the overall fit and shading performance once tensioned.
• Hardware-ready corners: Each corner has an anti-rust D-ring and the package includes four cords to simplify initial installation.
• Permeable canopy: The mesh allows cooling breezes and light rain to pass through, avoiding a greenhouse effect under the sail.

Who It's For

This shade sail is aimed at people who need wide-area sun protection for outdoor living spaces without blocking airflow, such as patio seating, children's play areas, or garden work zones. It is especially useful for those who want a neat rectangular canopy that blends with backyard decor and tolerates variable weather conditions.

Those who require fully waterproof coverage, exact custom fittings without measurement tolerance, or bundled heavy-duty mounting hardware should look elsewhere or purchase additional SUNLAX accessories, since the sail is permeable and length is measured including D-rings with a tolerance of up to 4 ft.

Pros & Cons

Pros

• Excellent sun protection from the high-density fabric that blocks up to 95% of UV rays.
• Durable finishing with double-strength stitched seams and anti-rust D-rings for reliable mounting points.
• Permeable mesh maintains airflow and avoids trapping heat while providing pleasant dappled shade.
• Curved edges and included cords make it easier to tension the sail and reduce sagging.

Cons

• Not waterproof, so it will not keep out heavy rain; light drizzle may pass through the mesh.
• Size is measured D-ring to D-ring with a tolerance up to 4 ft, so precise fit requires careful planning or custom ordering.

Specifications

Product Type	Rectangle sun shade sail
Size	13' x 13'
Shading Rate	90%-95% (butter cream), white series 80%-85%
Material	High-density polyethylene knitted mesh (no recycled material)
Corners	4 anti-rust D-rings included
Accessories	Includes 4 cords; mounting hardware sold separately
Weather Notes	Permeable to breezes and raindrops; not waterproof

Our Verdict

The SUNLAX 13' x 13' Butter Cream rectangle shade sail is a practical, cost-effective way to add reliable UV protection and comfortable dappled shade to outdoor spaces. It combines sturdy construction, anti-rust fittings and a curved edge design that reduces sagging, making it a smart buy for most patios and decks; choose custom sizing or additional hardware if you need an exact fit or permanent installation.

Frequently Asked Questions

Is this shade sail waterproof?
The sail is permeable by design; it allows light rain and breezes to pass through and is not waterproof.

Will the sail block UV rays?
Yes, the high-density polyethylene fabric blocks up to 95% of UV rays for the butter cream series.

Does it come with mounting hardware?
It includes four cords and anti-rust D-rings, but mounting hardware or hooks are sold separately; allow 0.5-1 ft between fixing points and the sail.