A5, 210 x 148 mm, Mounts, Backs, & Bags, Pack of 5 A2 These backing boards are made

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

Outer Size to fit a 15 x 15 inch frame - exact outer size 378mm x 378mm

40cm x 30cm

Then the excess length can folded down and sealed with the self-adhesive flap in the normal way

25cm x 20cm

A5, 210 x 148 mm, Mounts, Backs, & Bags, Pack of 5 A2 These backing boards are madeOuter Size to fit an A5 frame exact outer size 210mm x 148mm 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.