300 x 210 mm, Mounts, Backs, & Bags, Pack of 10 Colour:Mushroom These backing boards are made

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

Outer Size exactly 180mm x 130mm

The cellophane bags supplied with this size will be 6 x 4 inches

Select your preferred colour from the dropdown menu

Select 'Pack of 1 (single)' 'Pack of 4' 'Pack of 6' or 'Pack of 10' from the options menu

300 x 210 mm, Mounts, Backs, & Bags, Pack of 10 Colour:Mushroom These backing boards are madeOuter Size exactly 300mm x 210mm, 30cm x 21cm 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.