Large Blank Yard Signs 20-Pack 18 x 24 in - Weatherproof DIY Signs

In this review the reviewer tested the WENWELL 20-pack of large blank yard signs to see who they suit and why they are useful. The bottom line: these 18 x 24 in corrugated plastic boards are best for DIY advertising and temporary outdoor messaging because they are lightweight, waterproof and easy to cut or write on. The package gives you plenty of panels to make multiple signs for sales, open house events or parties, and most users will appreciate the blank white surface that accepts markers and stickers with reliable legibility.

Key Features

• 20-pack quantity: A large set provides enough panels to cover several events or locations without needing frequent reorders.
• 18 x 24 in size: The boards are a common yard sign size that is visible from a short distance and can be cut to custom shapes if needed.
• 4mm corrugated plastic: Weatherproof material resists rain and holds up to outdoor use when displayed on lawns or near walkways.
• White background: The plain white face makes colored markers and vinyl lettering stand out for clear DIY messages.
• Dual-sided use: Each board can be written on both sides, doubling messaging options for directional or promotional needs.
• Easy to customize: The corrugated construction is simple to cut, punch, or mount to stakes and supports a variety of low-cost personalization methods.

Who It's For

This product is ideal for homeowners and small businesses that need inexpensive, versatile signage for short-term use like yard sales, open houses, party directions, and event parking. Crafters and event hosts who like to personalize signs with markers, stickers or vinyl will value the blank white panels and the ability to cut shapes and sizes.

People who need a permanent, heavy-duty commercial sign or who require preprinted professional graphics should look elsewhere; these corrugated plastic boards are built for temporary outdoor use and DIY customization rather than long-term installed signage.

Pros & Cons

Pros

• Durable, waterproof corrugated plastic that stands up to sun and rain for temporary outdoor use.
• Good value for the quantity, supplying 20 boards for multiple events or wide coverage.
• Plain white surface is easy to write on and accepts a range of marker and sticker types.
• Panels are simple to trim and modify for custom sizes and shapes.

Cons

• Some users note the supplied stakes or mounting hardware (if any used) can feel small compared to the panel size, so additional supports may be needed in windy sites.
• The panels are intended for temporary use and may not be suitable as a long-term fixed sign solution.

Specifications

Brand	WENWELL
Quantity	20 boards
Size	18 x 24 in
Material	4mm corrugated plastic
Color	White
Use	Indoor or outdoor, double-sided DIY messages

Our Verdict

These 18 x 24 in blank yard signs are a practical, cost-effective choice for anyone needing temporary outdoor signage they can customize. They deliver solid weather resistance, a usable white surface for markers and stickers, and enough quantity to cover multiple events, making them a smart value buy for yard sales, open houses and short-term promotions.

Frequently Asked Questions

Can these signs be used outdoors?
Yes, the 4mm corrugated plastic is waterproof and designed for outdoor, temporary display.

Are the boards easy to write on?
Yes, customers report markers and pens write well on the white surface and the ink generally stays put.

Do the panels include stakes?
The product is sold as blank panels; some users find supplied stakes small and may add sturdier supports depending on wind conditions.