Styrene Signs

A Rigid Custom Sign That Ships Flat and Weighs Almost Nothing

A styrene sign sits between a paper poster that curls and a heavy metal panel. The .020" white styrene sheet is thin, so it weighs almost nothing and ships flat, yet it holds its shape in a frame, on a wall or in a sign holder. Shops use it for retail displays, restaurants for menu boards, and organizers for event placards and short outdoor runs. Styrene signs start at $29 for a single 11" x 17" panel, rated 4.9 out of 5 across 60 reviews.

They cost little to print and are easy to handle and mount, and the waterproof, UV-safe print resists a spill indoors and holds its color through a stretch of daylight. To compare styrene with our other rigid signs, browse the full rigid signs printing lineup, or stay here and build yours from the real options below.

What is a styrene sign

A styrene sign is a flat, rigid plastic sign printed on .020" white styrene, a thin polystyrene sheet that stays stiff and lies flat. At 4OVER4.COM styrene signs print full color in 14 sizes, from a default 11" x 17" up to a custom 48" x 96", and the material is waterproof and UV-safe.

Unlike a paper print that sags and tears, the white panel stands in an easel, tapes to a wall or drops into a sign holder. You set the size, pick your turnaround, and the price updates live as you go. If you want a corrugated outdoor panel instead, the Coroplast cover that, and styrene sits right beside it as the light, smooth-faced option.

What Is Styrene Printing

Styrene printing means printing directly onto a thin rigid polystyrene sheet on a flatbed press. Ink is laid on the panel itself rather than on paper that then gets mounted, which gives a smooth semi-rigid sign that ships flat, will not absorb water, and can be cut to any outline you supply.

That puts styrene in two clear bands. Indoors it is the everyday panel for retail displays, menu boards, directional signs and event placards, where it sits in a frame, on an easel or taped to a wall and holds its shape. Outdoors the same waterproof, UV-safe sheet handles short runs, an open house weekend, a sidewalk promotion, a season of window messaging, where the sign is coming down again rather than living on a fence for years.

Is 20 mil Styrene Thick Enough for a Poster

For most posters, yes. The stock here is .020" white styrene, which is 20 mil, about half a millimetre. That is thick enough to stand on its own in a frame, a sign holder or on an easel at sizes up to roughly 24" x 36", where a paper poster would ripple and curl.

Past that, or anywhere the panel hangs from its top edge instead of being supported, 20 mil starts to bow under its own weight. For those jobs add grommets so the load is carried at the corners, or move to a thicker rigid substrate. Mounting flat against a wall also solves it, because the wall does the supporting rather than the sheet.

What sizes do styrene signs come in

4OVER4.COM offers styrene signs in 14 sizes. The default is 11" x 17", and the range climbs through sizes like 12" x 18", 16" x 20", and 18" x 24", up to a custom size as large as 48" x 96". You choose the size in the configurator and the price follows it.

Choose the size by how far away people read the sign. An 11" x 17" panel reads well on a countertop, an easel, or beside a door. Step up to 12" x 18", 16" x 20", or 18" x 24" when you want the message to carry across a room or a booth. And when a standard size does not fit the spot, set a custom size anywhere up to a large 48" x 96" sheet. Every size prints on the same .020" white styrene, so the look stays consistent whether you order the small default or the largest custom cut. The full size list is grouped below exactly the way the live configurator presents it, so you know what you can change before you change it.

Styrene Sign Sizes and What Each One Suits

Fourteen set sizes sit in the configurator between the 11" x 17" default and the 48" x 96" custom ceiling, so pick the one that matches the frame, holder or easel the sign is going into and let the mount decide the size rather than the artwork.

Design it without a designer

On an 11" x 17" counter sign, one headline and a price are what a shopper reads while walking past; on an 18" x 24" easel sign, add a short line and an arrow. The white styrene face shows through anywhere you leave blank, so plan a background color if you want one. Start from a layout in our design templates and change the colors, copy and logo in the online editor.

Already have your artwork? Download a press-ready blank instead. Each blank template is built at the real trim size with the bleed and safe margin already drawn in, so your design never crowds the cut. Grab the size that matches your order below, drop your art in, and upload.

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Wally makes a rigid sign that ships flat

Why a $29 styrene panel is the light, easy way to a custom sign.

A styrene sign starts at $29 and prints on waterproof, UV-safe .020 inch white styrene, so it ships flat, weighs almost nothing, and mounts in seconds. Pick from 14 sizes up to 48 by 96 inch, choose a turnaround as fast as same-day, and Wally gets your sign printed and out the door.

Press-Ready Blank Templates

1 blank layout, at 11" x 17", with the cut and safe margins marked

Styrene Signs

11" x 17" · from $29.00 for 1

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How much do styrene signs cost

Styrene signs start at $29 for one 11" x 17" sign at 4OVER4.COM. You can order from a single sign up to 100, and the size and turnaround you pick drive the total. The live configurator shows the exact price before you check out.

At $29, one custom sign costs about the same as a framed paper print. From there the total moves with two things: the size you choose and how fast you need it. A larger cut uses more material, and a rush speed adds to the base, while the standard 4 business day turnaround keeps the price lowest. You can order anywhere from a single sign up to 100 in one run, and the configurator prices every combination live, so there are no surprises at checkout. Before you print, you can add a free online proof to check your layout and colors, or send your file straight to production when you know it is ready.

What material are styrene signs printed on

Every 4OVER4.COM styrene sign prints on one material: .020" white styrene, a thin, lightweight rigid polystyrene sheet. It is waterproof and UV-safe, so the ink resists moisture and fading, and the white base makes full-color printing look clean and bright.

Styrene is a rigid plastic sheet, and the .020" gauge here is thin and light, closer to a stiff card than a heavy board. It ships flat, weighs almost nothing and still stands up in a frame or a sign holder. The white base gives your colors a clean surface to sit on, and the waterproof, UV-safe print means the panel suits indoor displays and short outdoor runs. For a permanent, all-weather outdoor install you would reach for a heavier substrate, such as the Reflective PVC Board, but for light, low-cost signs that go up fast, pick styrene.

Styrene Sign Specifications

Mounting Styrene Signs

How you mount a styrene panel matters more than the sign itself, because 20 mil supports its own weight well when the load is spread and badly when it hangs off one point.

• Grommeted corners. The right choice anywhere the sign is tied, hung or wired, and the only way to hang a larger panel without it bowing. Pick the grommet option in the configurator rather than punching holes after delivery, which tears the sheet.
• Standoffs. Wall mounting with a shadow gap behind, for lobby and retail signs that want to look installed rather than taped.
• Easel backs and sign holders. The counter and tabletop answer at the smaller sizes, where the panel just has to stand up and stay flat.
• Adhesive strips. Fastest indoor mount for a flat wall, and removable, so it fits short promotions and event signage.
• Frame channels. Slide the panel into a snap frame or poster holder. Because styrene ships flat and stays flat, it loads cleanly where a rolled paper poster fights you.

Indoors, adhesive, easel and frame mounts are all fine. Outdoors, use grommets and fixings, since tape and adhesive strips give up as soon as the panel gets wet or the temperature swings.

How do styrene signs compare to other rigid signs

Styrene is the lightest and lowest priced of our rigid signs. If you are also looking at a corrugated outdoor panel, a reflective board or a wipe-clean surface, the chart below puts the starting price of each next to this one: the Coroplast, the Reflective PVC Board, and the Dry Erase Coroplast.

Styrene vs PVC vs Aluminum Signs

The short version: choose styrene when the sign lives indoors or has an end date, PVC when it stays outside for a while, and aluminum when it is going up for good.

See how a finished styrene sign looks

The gallery below shows panels we printed in-house in different sizes and layouts. Look at how a full color background covers the white styrene next to designs that leave it showing. Tap any print to see it larger.

Real Rigid Signs Our Customers Printed

8 customer prints from the rigid signs styles and finishes gallery

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How fast can you get styrene signs printed

4OVER4.COM prints styrene signs on a 4 business day standard turnaround, and when a date sneaks up you can move that to 3-day, 2-day, Next-Day, or even Same-Day production. Each step buys back time for a set amount on top of the base price, so you only pay for speed when you actually need it. Same-Day orders need to clear the daily cutoff to ship that day, and 4OVER4.COM ships 82% of orders early. If a deadline is driving the order, our same-day printing keeps you covered.

See the rest of our signs

If a corrugated panel, a reflective board or a heavier substrate suits the job better, the signs and banners hub shows each one with its starting price, and the complete print product range lists everything else we print.

Print your styrene signs today

At 4OVER4.COM, quality comes first, and every order is backed by our five Gold Standard guarantees and 25+ years of printing since 1999. Pick the size for the frame, holder or easel, add grommets if the sign hangs, and send your art in full color. Need them before a launch or an event? Same-Day production keeps you covered. Print your styrene signs today.