1 / 7RAINDEWAY 20×30 ft 5.5 mil Waterproof Poly Tarp
RAINDEWAY’s 20×30 ft tarp is a 5.5 mil polyethylene cover listed as waterproof, with a large finished-size format for uses such as camping ground cover, furniture protection, or covering stored items. The listing also describes reinforced edges and metal grommets, but gives conflicting grommet spacing, so confirm that detail if tie-down placement matters.
At a glance
- The listing describes a full-size 20×30 ft finished tarp for broad coverage.
- Polyethylene construction and a listed waterproof rating suit general-purpose covering applications.
- Reinforced edges and metal grommets are claimed for tying the tarp in place, with a stated warning against strong pulling.
Reference price: $47.88
Price checked: Nov 13, 2026
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Pros and cons
Pros
- The large listed dimensions can cover broad areas, including patio furniture, a tent ground area, or stored materials.
- The product listing claims waterproof PE material and reinforced edges with metal grommets.
- Customer feedback describes the tarp as useful for coverage and camping, and notes its lightweight nature.
Cons
- At 5.5 mils, this is a relatively thin tarp for buyers seeking a heavy-duty cover, and feedback includes concerns about thickness and durability.
Technical specifications
11 specifications| Brand | RAINDEWAY |
|---|---|
| Model | 0001 |
| Dimensions listed | 360"L x 240"W |
|---|---|
| Weight listed | 3.98 kg |
| Finished size listed | 20'×30'-Finished Size |
| Grommet material and spacing (listing claim) | This product features an aluminum grommet every 18 inches, with reinforced pads at the corners for easy mounting. |
| Water resistance listed | Waterproof |
|---|---|
| Material listed | Polyethylene (PE) |
| Thickness listed | 5.5 mils |
| Color listed | Silver/Blue |
| Ultraviolet Light Protection | True |
What to know before buying
Listing details to confirm
The listing is inconsistent about grommet spacing: an item highlight says every 36 inches, while the product Q&A says aluminum grommets every 18 inches. It also calls the tarp rip- and tear-proof while the Q&A advises against strong pulling. Check the selected listing and use only the stated medium tension for securing it. The dimensions are described as finished size, with the Q&A noting a discrepancy of less than one inch.
Who is it for?
A good fit for
- Buyers needing a large, lightweight tarp for general covering, camping ground use, furniture protection, or shielding stored items.
- Those who can secure a tarp with moderate tension and do not require a heavy-duty thickness.
Less suited to
- Buyers needing a thick tarp for demanding, high-tension tie-downs or applications where tearing would have serious consequences.

Customer reviews on Amazon
- 5 stars
72% 72% - 4 stars
12% 12% - 3 stars
7% 7% - 2 stars
4% 4% - 1 star
5% 5%
Customer feedback highlights useful coverage, size, functionality and lightweight handling, including camping and covering firewood. Durability and value are mixed, with reports ranging from holding up in moderate wind to tearing immediately, and thickness draws criticism. That matters for this listed 5.5 mil tarp: it may fit general coverage tasks, but feedback and the product’s own medium-tension guidance do not support treating it as a heavy-duty, high-stress cover.
Positive themes
- Customers describe the tarp as useful for coverage and functionality, including camping and covering firewood.
- Customers mention its size and lightweight nature positively.
Negative themes
- Some customer feedback criticizes the thickness.
Mixed feedback
- Durability opinions vary, from holding up in moderate wind to tearing immediately.
- Opinions differ on whether the tarp offers good value for the price.
Frequently asked questions
Are the listed dimensions the finished size?
The listing gives 20'×30'-Finished Size and says the actual completed dimensions differ by less than one inch.
How far apart are the grommets?
The listing conflicts: one highlight states every 36 inches, while its Q&A says aluminum grommets every 18 inches. Confirm spacing on the selected listing before buying.
Is this tarp suitable for strong pulling?
The Q&A advises against strong pulling and says the grommets are designed for medium tension when securing or tightening with rope.
What material and thickness are listed?
The listing specifies Polyethylene (PE) and a thickness of 5.5 mils.

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