
A3 poster – 297 × 420 mm
A3 is the most widely used poster size for events, gig posters and in-store marketing – large enough to catch the eye, yet easy to display anywhere without special fixtures. The format measures 297 × 420 mm, exactly twice the size of A4.
Concert posters, event invitations, campaign offers, price lists, wayfinding signs and social media visuals all work well at this size. Three paper options let you pick exactly the right finish – matte, semi-gloss or eco-friendly recycled paper.
Order easily from our online store – printed in Helsinki, delivered fast across Finland.
FAQs
170g Matte Offset – Clarity and Style
170g matte offset is an excellent choice for brochures, manuals, and other printed materials where clear readability and a pleasant tactile feel are essential. The non-reflective matte surface highlights text and gives the printed piece a subtle, trustworthy appearance. Also well-suited for handwritten notes or markings.
Why choose 170g matte offset?
- Excellent readability: matte surface without distracting reflections.
- Premium feel: thickness and soft texture add credibility to your print.
- Writable surface: easy to add notes when needed.
Available weights: 90g, 100g, 120g, 170g, 200g, 300g, and 400g.
Responsible choice: All are with FSC® and PEFC™ certifications.
170g Smooth – Elegance with a Subtle Shine
170g smooth paper is an excellent choice for brochures, advertisements, and other printed materials where bright colors and a modern look are desired. The glossy and even surface makes images and graphics sharp and striking, giving the printed product a high-quality and professional appearance.
Why choose 170g smooth paper?
- Bright colors: the smooth surface enhances images and graphics.
- Modern look: the glossy finish adds visual appeal to your product.
- High-quality material: sufficient thickness ensures a sturdy and durable product.
Available weights: 115g, 130g, 170g, 200g
Responsible choice: FSC® and PEFC™ certified.
160g Matte – 100% Recycled Paper
160g Matte is an eco-friendly and high-quality choice when you want a natural matte finish and durable appearance for your printed materials. Made entirely from recycled fibers, this paper maintains excellent print quality and adds an ecological and responsible value to your products. Ideal for brochures, reports, notebooks, and other environmentally conscious print materials.
Why choose 160g Nautilus Matte?
- 100% recycled paper: a responsible choice for the environment.
- Natural matte finish: clear readability without reflections.
- Versatile use: suitable for a wide range of high-quality printed products.
Available in multiple weights for various applications.
Eco-friendly choice: EU Ecolabel, FSC® and Blue Angel certified.
A3 poster
Customize & Estimate
Start Customizing with Any Option
Paper options
170 g matte offset is the go-to choice for a clean, sharp print without glare – works best for text-heavy posters and clear messaging.
170 g semi-gloss adds depth and colour richness to images – ideal for photo posters and visually striking marketing materials.
160 g matte recycled is 100% recycled paper – a great fit for brands that prioritise sustainability, without compromising on print quality.
Who is it for?
The A3 poster is a popular choice for bands and event organisers, cafés and restaurants, retailers and pop-up stands, as well as associations and non-profits.
The format works especially well when the poster needs to be put up without a frame – taped to a door, window or notice board.
Print-ready artwork
Supply your file as a print-ready PDF, sized 303 × 426 mm (3 mm bleed on all sides). Resolution at least 300 dpi, colour mode CMYK or RGB. Keep text and logos at least 3 mm inside the trim line.
FAQ
What is A3 size in centimetres?
A3 is 29.7 × 42 cm (297 × 420 mm) – exactly twice
the size of A4.
Can I order a small quantity?
Yes – there is no minimum order. You can order even a single
copy. That said, we recommend ordering around 30 copies
to get the best value.




