12 X 10 inch, Mounts, Backs, & Bags, Pack of 5 Colour:Black These backing boards are made

These backing boards are made from the same quality mountboard as our mounts

25cm x 20cm

All colours are acid-free white-core mountboard

Outer Size to fit and A1 frame - exact outer size 841mm x 594mm

Outer Size exactly 500mm x 500mm

12 X 10 inch, Mounts, Backs, & Bags, Pack of 5 Colour:Black These backing boards are madeOuter Size to fit a 12 x 10 inch frame exact outer size 302mm x 251mm Choice of aperture size Scroll through the pictures to find the size that best fits your artwork, then select it from the dropdown menu. Choice of colour On screen colours may not be true to life. Order colour samples here. Select your preferred colour from the dropdown menu. All colours are acid free white core mountboard, 1. 4mm thick.