A4, 297 x 210 mm, Mounts, Backs, & Bags, Pack of 5 square Outer Size to fit and

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

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

32cm x 32cm

Outer Size exactly 320mm x 320mm

A4, 297 x 210 mm, Mounts, Backs, & Bags, Pack of 5 square Outer Size to fit andOuter Size to fit an A4 frame exact outer size 297mm x 210mm 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.