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Mat Board White, 61x91

Product ID 6028
Size guide

To buy a passepartout, you also need to purchase a frame of the same size or bigger.

White picture mat (also called passe-partout) with a white core that fits in a frame sized 61x91 cm (24 x 35 ⅞ in). The opening in the picture mat fits a poster sized 50x70 cm/19 ¾ x 27 ½ in (the opening is 49x69 cm). The white color is pure white. Acid-free.

Product background

We believe that greater transparency will help lead the change towards a more sustainable future. As a step in this long-term commitment, we’re sharing how and where our products are made wherever possible.

Suppliers and factories for this product.

Location: Huizhou, China
Number of employees: 52 (30 women / 22 men)
Employees working hours daily: 8
Employees vacation days: 10
Certificates: FSC®, ISO 9001:2015
Signed the Postery Code of Conduct: Yes
Visited by Postery: No

Our supplier of mat boards for picture frames has specialised in cutting paper since 1997. All our mat boards are FSC® MIX certified, and the supplier continuously works on reducing their waste to optimise the production process. For example, they are reusing the paper from the large formats to make the small formats. Postery places one big order per year transported by train to minimise the environmental impact.

Delivery and returns

Delivery time to the US & Worldwide is 4-6 business days. We aim to dispatch all orders within 24 business hours.

We offer free shipping to the US on orders over $100. If your order total is less than this, shipping costs $4.99. The price for shipping outside the US varies between countries. You will see the shipping cost to your country in the checkout.

Once your order has left our warehouse, we’ll e-mail you a tracking link with the expected delivery date. It may take another day or so during the holiday seasons and other peaks affecting our warehouse. Postery utilizes FedEx for all deliveries to the US & Worldwide.

We hope that you are pleased with your Postery order. If you would like a different product, size, or a refund, we accept exchanges and returns within 90 days. Please consider the environmental impact before returning your items.


For questions, please visit our Help Center or send us an email at

We aim to answer all customer inquiries within 48 hours.

Get your Christmas presents on time!

Order by Sunday, December 17 for delivery before Christmas.


Spring Sale Up to 40% off Posters and 10% off Frames

*Offer ends on April 22, 11:59 PM